mips: Don't use create_proc_read_entry()
Don't use create_proc_read_entry() as that is deprecated, but rather use proc_create_data() and seq_file instead. Signed-off-by: David Howells <dhowells@redhat.com> cc: Ralf Baechle <ralf@linux-mips.org> cc: linux-mips@linux-mips.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>hifive-unleashed-5.1
David Howells
Al Viro
parent
28ff11882a
commit
24270156ac
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@ -16,6 +16,7 @@
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#include <asm/mipsregs.h>
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#include <asm/cacheflush.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <asm/smtc_proc.h>
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@ -30,51 +31,39 @@ unsigned long selfipis[NR_CPUS];
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struct smtc_cpu_proc smtc_cpu_stats[NR_CPUS];
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static struct proc_dir_entry *smtc_stats;
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atomic_t smtc_fpu_recoveries;
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static int proc_read_smtc(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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static int smtc_proc_show(struct seq_file *m, void *v)
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{
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int totalen = 0;
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int len;
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int i;
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extern unsigned long ebase;
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len = sprintf(page, "SMTC Status Word: 0x%08x\n", smtc_status);
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totalen += len;
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page += len;
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len = sprintf(page, "Config7: 0x%08x\n", read_c0_config7());
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totalen += len;
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page += len;
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len = sprintf(page, "EBASE: 0x%08lx\n", ebase);
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totalen += len;
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page += len;
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len = sprintf(page, "Counter Interrupts taken per CPU (TC)\n");
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totalen += len;
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page += len;
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for (i=0; i < NR_CPUS; i++) {
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len = sprintf(page, "%d: %ld\n", i, smtc_cpu_stats[i].timerints);
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totalen += len;
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page += len;
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}
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len = sprintf(page, "Self-IPIs by CPU:\n");
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totalen += len;
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page += len;
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for(i = 0; i < NR_CPUS; i++) {
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len = sprintf(page, "%d: %ld\n", i, smtc_cpu_stats[i].selfipis);
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totalen += len;
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page += len;
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}
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len = sprintf(page, "%d Recoveries of \"stolen\" FPU\n",
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atomic_read(&smtc_fpu_recoveries));
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totalen += len;
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page += len;
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return totalen;
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seq_printf(m, "SMTC Status Word: 0x%08x\n", smtc_status);
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seq_printf(m, "Config7: 0x%08x\n", read_c0_config7());
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seq_printf(m, "EBASE: 0x%08lx\n", ebase);
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seq_printf(m, "Counter Interrupts taken per CPU (TC)\n");
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for (i=0; i < NR_CPUS; i++)
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seq_printf(m, "%d: %ld\n", i, smtc_cpu_stats[i].timerints);
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seq_printf(m, "Self-IPIs by CPU:\n");
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for(i = 0; i < NR_CPUS; i++)
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seq_printf(m, "%d: %ld\n", i, smtc_cpu_stats[i].selfipis);
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seq_printf(m, "%d Recoveries of \"stolen\" FPU\n",
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atomic_read(&smtc_fpu_recoveries));
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return 0;
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}
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static int smtc_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, smtc_proc_show, NULL);
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}
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static const struct file_operations smtc_proc_fops = {
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.open = smtc_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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void init_smtc_stats(void)
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{
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int i;
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@ -86,6 +75,5 @@ void init_smtc_stats(void)
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atomic_set(&smtc_fpu_recoveries, 0);
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smtc_stats = create_proc_read_entry("smtc", 0444, NULL,
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proc_read_smtc, NULL);
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proc_create("smtc", 0444, NULL, &smtc_proc_fops);
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}
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@ -53,56 +53,51 @@ static void pci_proc_init(void);
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/*****************************************************************************
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*
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* FUNCTION: read_msp_pci_counts
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* FUNCTION: show_msp_pci_counts
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* _________________________________________________________________________
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*
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* DESCRIPTION: Prints the count of how many times each PCI
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* interrupt has asserted. Can be invoked by the
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* /proc filesystem.
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*
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* INPUTS: page - part of STDOUT calculation
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* off - part of STDOUT calculation
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* count - part of STDOUT calculation
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* data - unused
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* INPUTS: m - synthetic file construction data
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* v - iterator
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*
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* OUTPUTS: start - new start location
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* eof - end of file pointer
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*
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* RETURNS: len - STDOUT length
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* RETURNS: 0 or error
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*
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****************************************************************************/
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static int read_msp_pci_counts(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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static int show_msp_pci_counts(struct seq_file *m, void *v)
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{
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int i;
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int len = 0;
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unsigned int intcount, total = 0;
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for (i = 0; i < 32; ++i) {
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intcount = pci_int_count[i];
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if (intcount != 0) {
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len += sprintf(page + len, "[%d] = %u\n", i, intcount);
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seq_printf(m, "[%d] = %u\n", i, intcount);
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total += intcount;
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}
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}
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len += sprintf(page + len, "total = %u\n", total);
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if (len <= off+count)
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*eof = 1;
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*start = page + off;
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len -= off;
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if (len > count)
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len = count;
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if (len < 0)
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len = 0;
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return len;
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seq_printf(m, "total = %u\n", total);
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return 0;
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}
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static int msp_pci_rd_cnt_open(struct inode *inode, struct file *file)
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{
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return single_open(file, show_msp_pci_counts, NULL);
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}
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static const struct file_operations msp_pci_rd_cnt_fops = {
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.open = msp_pci_rd_cnt_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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/*****************************************************************************
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*
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* FUNCTION: gen_pci_cfg_wr
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* FUNCTION: gen_pci_cfg_wr_show
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* _________________________________________________________________________
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*
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* DESCRIPTION: Generates a configuration write cycle for debug purposes.
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@ -112,37 +107,30 @@ static int read_msp_pci_counts(char *page, char **start, off_t off,
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* PCI bus. Intent is that this function by invocable from
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* the /proc filesystem.
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*
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* INPUTS: page - part of STDOUT calculation
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* off - part of STDOUT calculation
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* count - part of STDOUT calculation
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* data - unused
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* INPUTS: m - synthetic file construction data
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* v - iterator
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*
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* OUTPUTS: start - new start location
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* eof - end of file pointer
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*
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* RETURNS: len - STDOUT length
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* RETURNS: 0 or error
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*
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****************************************************************************/
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static int gen_pci_cfg_wr(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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static int gen_pci_cfg_wr_show(struct seq_file *m, void *v)
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{
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unsigned char where = 0; /* Write to static Device/Vendor ID */
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unsigned char bus_num = 0; /* Bus 0 */
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unsigned char dev_fn = 0xF; /* Arbitrary device number */
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u32 wr_data = 0xFF00AA00; /* Arbitrary data */
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struct msp_pci_regs *preg = (void *)PCI_BASE_REG;
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int len = 0;
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unsigned long value;
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int intr;
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len += sprintf(page + len, "PMC MSP PCI: Beginning\n");
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seq_puts(m, "PMC MSP PCI: Beginning\n");
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if (proc_init == 0) {
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pci_proc_init();
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proc_init = ~0;
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}
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len += sprintf(page + len, "PMC MSP PCI: Before Cfg Wr\n");
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seq_puts(m, "PMC MSP PCI: Before Cfg Wr\n");
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/*
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* Generate PCI Configuration Write Cycle
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@ -168,21 +156,22 @@ static int gen_pci_cfg_wr(char *page, char **start, off_t off,
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*/
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intr = preg->if_status;
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len += sprintf(page + len, "PMC MSP PCI: After Cfg Wr\n");
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/* Handle STDOUT calculations */
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if (len <= off+count)
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*eof = 1;
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*start = page + off;
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len -= off;
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if (len > count)
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len = count;
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if (len < 0)
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len = 0;
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return len;
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seq_puts(m, "PMC MSP PCI: After Cfg Wr\n");
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return 0;
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}
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static int gen_pci_cfg_wr_open(struct inode *inode, struct file *file)
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{
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return single_open(file, gen_pci_cfg_wr_show, NULL);
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}
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static const struct file_operations gen_pci_cfg_wr_fops = {
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.open = gen_pci_cfg_wr_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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/*****************************************************************************
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*
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* FUNCTION: pci_proc_init
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@ -199,10 +188,8 @@ static int gen_pci_cfg_wr(char *page, char **start, off_t off,
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****************************************************************************/
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static void pci_proc_init(void)
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{
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create_proc_read_entry("pmc_msp_pci_rd_cnt", 0, NULL,
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read_msp_pci_counts, NULL);
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create_proc_read_entry("pmc_msp_pci_cfg_wr", 0, NULL,
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gen_pci_cfg_wr, NULL);
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proc_create("pmc_msp_pci_rd_cnt", 0, NULL, &msp_pci_rd_cnt_fops);
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proc_create("pmc_msp_pci_cfg_wr", 0, NULL, &gen_pci_cfg_wr_fops);
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}
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#endif /* CONFIG_PROC_FS && PCI_COUNTERS */
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@ -30,6 +30,7 @@
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#include <linux/interrupt.h>
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#include <linux/sched.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <asm/io.h>
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#include <asm/sibyte/sb1250.h>
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@ -99,63 +100,60 @@ void check_bus_watcher(void)
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printk("Bus watcher indicates no error\n");
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}
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static int bw_print_buffer(char *page, struct bw_stats_struct *stats)
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{
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int len;
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len = sprintf(page, "SiByte Bus Watcher statistics\n");
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len += sprintf(page+len, "-----------------------------\n");
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len += sprintf(page+len, "L2-d-cor %8ld\nL2-d-bad %8ld\n",
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stats->l2_cor_d, stats->l2_bad_d);
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len += sprintf(page+len, "L2-t-cor %8ld\nL2-t-bad %8ld\n",
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stats->l2_cor_t, stats->l2_bad_t);
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len += sprintf(page+len, "MC-d-cor %8ld\nMC-d-bad %8ld\n",
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stats->mem_cor_d, stats->mem_bad_d);
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len += sprintf(page+len, "IO-err %8ld\n", stats->bus_error);
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len += sprintf(page+len, "\nLast recorded signature:\n");
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len += sprintf(page+len, "Request %02x from %d, answered by %d with Dcode %d\n",
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(unsigned int)(G_SCD_BERR_TID(stats->status) & 0x3f),
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(int)(G_SCD_BERR_TID(stats->status) >> 6),
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(int)G_SCD_BERR_RID(stats->status),
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(int)G_SCD_BERR_DCODE(stats->status));
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/* XXXKW indicate multiple errors between printings, or stats
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collection (or both)? */
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if (stats->status & M_SCD_BERR_MULTERRS)
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len += sprintf(page+len, "Multiple errors observed since last check.\n");
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if (stats->status_printed) {
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len += sprintf(page+len, "(no change since last printing)\n");
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} else {
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stats->status_printed = 1;
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}
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return len;
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}
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#ifdef CONFIG_PROC_FS
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/* For simplicity, I want to assume a single read is required each
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time */
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static int bw_read_proc(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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static int bw_proc_show(struct seq_file *m, void *v)
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{
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int len;
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struct bw_stats_struct *stats = m->private;
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if (off == 0) {
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len = bw_print_buffer(page, data);
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*start = page;
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seq_puts(m, "SiByte Bus Watcher statistics\n");
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seq_puts(m, "-----------------------------\n");
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seq_printf(m, "L2-d-cor %8ld\nL2-d-bad %8ld\n",
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stats->l2_cor_d, stats->l2_bad_d);
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seq_printf(m, "L2-t-cor %8ld\nL2-t-bad %8ld\n",
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stats->l2_cor_t, stats->l2_bad_t);
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seq_printf(m, "MC-d-cor %8ld\nMC-d-bad %8ld\n",
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stats->mem_cor_d, stats->mem_bad_d);
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seq_printf(m, "IO-err %8ld\n", stats->bus_error);
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seq_puts(m, "\nLast recorded signature:\n");
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seq_printf(m, "Request %02x from %d, answered by %d with Dcode %d\n",
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(unsigned int)(G_SCD_BERR_TID(stats->status) & 0x3f),
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(int)(G_SCD_BERR_TID(stats->status) >> 6),
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(int)G_SCD_BERR_RID(stats->status),
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(int)G_SCD_BERR_DCODE(stats->status));
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/* XXXKW indicate multiple errors between printings, or stats
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collection (or both)? */
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if (stats->status & M_SCD_BERR_MULTERRS)
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seq_puts(m, "Multiple errors observed since last check.\n");
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if (stats->status_printed) {
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seq_puts(m, "(no change since last printing)\n");
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} else {
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len = 0;
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*eof = 1;
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stats->status_printed = 1;
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}
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return len;
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return 0;
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}
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static int bw_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, bw_proc_show, PDE_DATA(inode));
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}
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static const struct file_operations bw_proc_fops = {
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.open = bw_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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static void create_proc_decoder(struct bw_stats_struct *stats)
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{
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struct proc_dir_entry *ent;
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ent = create_proc_read_entry("bus_watcher", S_IWUSR | S_IRUGO, NULL,
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bw_read_proc, stats);
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ent = proc_create_data("bus_watcher", S_IWUSR | S_IRUGO, NULL,
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&bw_proc_fops, stats);
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if (!ent) {
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printk(KERN_INFO "Unable to initialize bus_watcher /proc entry\n");
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return;
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@ -210,11 +208,6 @@ static irqreturn_t sibyte_bw_int(int irq, void *data)
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stats->bus_error += G_SCD_MEM_BUSERR(cntr);
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csr_out32(0, IOADDR(A_BUS_MEM_IO_ERRORS));
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#ifndef CONFIG_PROC_FS
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bw_print_buffer(bw_buf, stats);
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printk(bw_buf);
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#endif
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return IRQ_HANDLED;
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}
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