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Merge branch 'merge' of git://git.secretlab.ca/git/linux-2.6

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* 'merge' of git://git.secretlab.ca/git/linux-2.6:
  spi/mpc52xx-spi: fix annotation for remove()-pointer
  spi/fsl_espi: fix wrong setting of the address in the command buffer
  spi/fsl_espi: change the read behaviour of the SPIRF
  of/i2c: Fix request module by alias
  powerpc/mpc5200: include fs.h in mpc52xx_gpt.c
This commit is contained in:
Linus Torvalds 2010-12-24 13:00:37 -08:00
parent dfe80f6329 4bdac7da52
commit d3c7e1ab04
4 changed files with 28 additions and 12 deletions
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1
arch/powerpc/platforms/52xx/mpc52xx_gpt.c
View file

@ -63,6 +63,7 @@
#include <linux/of_gpio.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/watchdog.h>
#include <linux/miscdevice.h>
#include <linux/uaccess.h>

2
drivers/of/of_i2c.c
View file

@ -61,7 +61,7 @@ void of_i2c_register_devices(struct i2c_adapter *adap)
info.of_node = of_node_get(node);
info.archdata = &dev_ad;
request_module("%s", info.type);
request_module("%s%s", I2C_MODULE_PREFIX, info.type);
result = i2c_new_device(adap, &info);
if (result == NULL) {

2
drivers/spi/mpc52xx_spi.c
View file

@ -563,7 +563,7 @@ static struct of_platform_driver mpc52xx_spi_of_driver = {
.of_match_table = mpc52xx_spi_match,
},
.probe = mpc52xx_spi_probe,
.remove = __exit_p(mpc52xx_spi_remove),
.remove = __devexit_p(mpc52xx_spi_remove),
};
static int __init mpc52xx_spi_init(void)

35
drivers/spi/spi_fsl_espi.c
View file

@ -258,18 +258,18 @@ static int fsl_espi_bufs(struct spi_device *spi, struct spi_transfer *t)
return mpc8xxx_spi->count;
}
static void fsl_espi_addr2cmd(unsigned int addr, u8 *cmd)
static inline void fsl_espi_addr2cmd(unsigned int addr, u8 *cmd)
{
if (cmd[1] && cmd[2] && cmd[3]) {
if (cmd) {
cmd[1] = (u8)(addr >> 16);
cmd[2] = (u8)(addr >> 8);
cmd[3] = (u8)(addr >> 0);
}
}
static unsigned int fsl_espi_cmd2addr(u8 *cmd)
static inline unsigned int fsl_espi_cmd2addr(u8 *cmd)
{
if (cmd[1] && cmd[2] && cmd[3])
if (cmd)
return cmd[1] << 16 | cmd[2] << 8 | cmd[3] << 0;
return 0;
@ -395,9 +395,11 @@ static void fsl_espi_rw_trans(struct spi_message *m,
}
}
addr = fsl_espi_cmd2addr(local_buf);
addr += pos;
fsl_espi_addr2cmd(addr, local_buf);
if (pos > 0) {
addr = fsl_espi_cmd2addr(local_buf);
addr += pos;
fsl_espi_addr2cmd(addr, local_buf);
}
espi_trans->n_tx = n_tx;
espi_trans->n_rx = trans_len;
@ -507,16 +509,29 @@ void fsl_espi_cpu_irq(struct mpc8xxx_spi *mspi, u32 events)
/* We need handle RX first */
if (events & SPIE_NE) {
u32 rx_data;
u32 rx_data, tmp;
u8 rx_data_8;
/* Spin until RX is done */
while (SPIE_RXCNT(events) < min(4, mspi->len)) {
cpu_relax();
events = mpc8xxx_spi_read_reg(&reg_base->event);
}
mspi->len -= 4;
rx_data = mpc8xxx_spi_read_reg(&reg_base->receive);
if (mspi->len >= 4) {
rx_data = mpc8xxx_spi_read_reg(&reg_base->receive);
} else {
tmp = mspi->len;
rx_data = 0;
while (tmp--) {
rx_data_8 = in_8((u8 *)&reg_base->receive);
rx_data |= (rx_data_8 << (tmp * 8));
}
rx_data <<= (4 - mspi->len) * 8;
}
mspi->len -= 4;
if (mspi->rx)
mspi->get_rx(rx_data, mspi);