mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Merge branches 'acpi-ec', 'acpi-soc', 'acpi-video' and 'acpi-resources' 

* acpi-ec:
  ACPI / EC: Remove non-standard log emphasis

* acpi-soc:
  ACPI / LPSS: Deassert resets for SPI host controllers on Braswell
  ACPI / LPSS: Always disable I2C host controllers
  Revert "ACPI / LPSS: Remove non-existing clock control from Intel Lynxpoint I2C"

* acpi-video:
  ACPI / video: Disable native backlight on Samsung Series 9 laptops

* acpi-resources:
  ACPI / resources: Change pr_info() to pr_debug() for debug information
This commit is contained in:
Rafael J. Wysocki 2015-02-21 04:28:56 +01:00
parent 99fa0ad92c 92e4b1bcd6 3095794ae9 3120d03cf6 6a239af2a3
commit 9d0de5a63a
4 changed files with 30 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/acpi/acpi_lpss.c
View File

@ -105,7 +105,7 @@ static void lpss_uart_setup(struct lpss_private_data *pdata)
}
}
static void byt_i2c_setup(struct lpss_private_data *pdata)
static void lpss_deassert_reset(struct lpss_private_data *pdata)
{
unsigned int offset;
u32 val;
@ -114,9 +114,18 @@ static void byt_i2c_setup(struct lpss_private_data *pdata)
val = readl(pdata->mmio_base + offset);
val |= LPSS_RESETS_RESET_APB | LPSS_RESETS_RESET_FUNC;
writel(val, pdata->mmio_base + offset);
}
#define LPSS_I2C_ENABLE 0x6c
static void byt_i2c_setup(struct lpss_private_data *pdata)
{
lpss_deassert_reset(pdata);
if (readl(pdata->mmio_base + pdata->dev_desc->prv_offset))
pdata->fixed_clk_rate = 133000000;
writel(0, pdata->mmio_base + LPSS_I2C_ENABLE);
}
static struct lpss_device_desc lpt_dev_desc = {
@ -125,7 +134,7 @@ static struct lpss_device_desc lpt_dev_desc = {
};
static struct lpss_device_desc lpt_i2c_dev_desc = {
.flags = LPSS_CLK | LPSS_LTR,
.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_LTR,
.prv_offset = 0x800,
};
@ -166,6 +175,12 @@ static struct lpss_device_desc byt_i2c_dev_desc = {
.setup = byt_i2c_setup,
};
static struct lpss_device_desc bsw_spi_dev_desc = {
.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX,
.prv_offset = 0x400,
.setup = lpss_deassert_reset,
};
#else
#define LPSS_ADDR(desc) (0UL)
@ -198,7 +213,7 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = {
/* Braswell LPSS devices */
{ "80862288", LPSS_ADDR(byt_pwm_dev_desc) },
{ "8086228A", LPSS_ADDR(byt_uart_dev_desc) },
{ "8086228E", LPSS_ADDR(byt_spi_dev_desc) },
{ "8086228E", LPSS_ADDR(bsw_spi_dev_desc) },
{ "808622C1", LPSS_ADDR(byt_i2c_dev_desc) },
{ "INT3430", LPSS_ADDR(lpt_dev_desc) },

4
drivers/acpi/ec.c
View File

@ -680,7 +680,7 @@ static void acpi_ec_start(struct acpi_ec *ec, bool resuming)
/* Enable GPE for event processing (SCI_EVT=1) */
if (!resuming)
acpi_ec_submit_request(ec);
pr_info("+++++ EC started +++++\n");
pr_debug("EC started\n");
}
spin_unlock_irqrestore(&ec->lock, flags);
}
@ -712,7 +712,7 @@ static void acpi_ec_stop(struct acpi_ec *ec, bool suspending)
acpi_ec_complete_request(ec);
clear_bit(EC_FLAGS_STARTED, &ec->flags);
clear_bit(EC_FLAGS_STOPPED, &ec->flags);
pr_info("+++++ EC stopped +++++\n");
pr_debug("EC stopped\n");
}
spin_unlock_irqrestore(&ec->lock, flags);
}

2
drivers/acpi/resource.c
View File

@ -46,7 +46,7 @@ static bool acpi_dev_resource_len_valid(u64 start, u64 end, u64 len, bool io)
if (len && reslen && reslen == len && start <= end)
return true;
pr_info("ACPI: invalid or unassigned resource %s [%016llx - %016llx] length [%016llx]\n",
pr_debug("ACPI: invalid or unassigned resource %s [%016llx - %016llx] length [%016llx]\n",
io ? "io" : "mem", start, end, len);
return false;

9
drivers/acpi/video.c
View File

@ -540,6 +540,15 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "730U3E/740U3E"),
},
},
{
/* https://bugs.freedesktop.org/show_bug.cgi?id=87286 */
.callback = video_disable_native_backlight,
.ident = "SAMSUNG 900X3C/900X3D/900X3E/900X4C/900X4D",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "900X3C/900X3D/900X3E/900X4C/900X4D"),
},
},
{
/* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */