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Power management and ACPI fixes for v4.0-rc4 

- Fix an ACPI LPSS (Low-Power Subsystem) driver issue causing the
    8250_dw driver to confuse an LPSS clock with another one it is
    supposed to handle due to the lack of identification allowing it
    to tell those clocks apart (Heikki Krogerus).
 
  - Revert a recent commit that was supposed to improve the usability
    of the cpupower tool, but clearly did the opposite (Josh Boyer).
 
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Merge tag 'pm+acpi-4.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "Just two fixes, one for an ACPI LPSS driver issue introduced during
  the 3.17 cycle and one revert of a recent commit that sort of broke
  the cpupower tool.

  Specifics:

   - Fix an ACPI LPSS (Low-Power Subsystem) driver issue causing the
     8250_dw driver to confuse an LPSS clock with another one it is
     supposed to handle due to the lack of identification allowing it to
     tell those clocks apart (Heikki Krogerus).

   - Revert a recent commit that was supposed to improve the usability
     of the cpupower tool, but clearly did the opposite (Josh Boyer)"

* tag 'pm+acpi-4.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  Revert "cpupower Makefile change to help run the tool without 'make install'"
  ACPI / LPSS: provide con_id for the clkdev
hifive-unleashed-5.1
Linus Torvalds 2015-03-13 14:30:38 -07:00
parent f47e331042 b176023392
commit 5fb0f7fa7f
2 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/acpi/acpi_lpss.c
View File

@ -65,6 +65,7 @@ struct lpss_private_data;
struct lpss_device_desc {
unsigned int flags;
const char *clk_con_id;
unsigned int prv_offset;
size_t prv_size_override;
void (*setup)(struct lpss_private_data *pdata);
@ -140,6 +141,7 @@ static struct lpss_device_desc lpt_i2c_dev_desc = {
static struct lpss_device_desc lpt_uart_dev_desc = {
.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_LTR,
.clk_con_id = "baudclk",
.prv_offset = 0x800,
.setup = lpss_uart_setup,
};
@ -156,6 +158,7 @@ static struct lpss_device_desc byt_pwm_dev_desc = {
static struct lpss_device_desc byt_uart_dev_desc = {
.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX,
.clk_con_id = "baudclk",
.prv_offset = 0x800,
.setup = lpss_uart_setup,
};
@ -313,7 +316,7 @@ out:
return PTR_ERR(clk);
pdata->clk = clk;
clk_register_clkdev(clk, NULL, devname);
clk_register_clkdev(clk, dev_desc->clk_con_id, devname);
return 0;
}

2
tools/power/cpupower/Makefile
View File

@ -209,7 +209,7 @@ $(OUTPUT)%.o: %.c
$(OUTPUT)cpupower: $(UTIL_OBJS) $(OUTPUT)libcpupower.so.$(LIB_MAJ)
$(ECHO) " CC " $@
$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -Wl,-rpath=./ -lrt -lpci -L$(OUTPUT) -o $@
$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -lrt -lpci -L$(OUTPUT) -o $@
$(QUIET) $(STRIPCMD) $@
$(OUTPUT)po/$(PACKAGE).pot: $(UTIL_SRC)