soundwire second update for 5.12-rc1

Some late changes for sdw:
  - fix for crash on intel driver
  - support for _no_pm IO calls in sdw regmap
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Merge tag 'soundwire-2_5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into char-misc-next

Vinod writes:

soundwire second update for 5.12-rc1

Some late changes for sdw:
 - fix for crash on intel driver
 - support for _no_pm IO calls in sdw regmap

* tag 'soundwire-2_5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  regmap: sdw-mbq: use MODULE_LICENSE("GPL")
  regmap: sdw: use no_pm routines for SoundWire 1.2 MBQ
  regmap: sdw: use _no_pm functions in regmap_read/write
  soundwire: intel: fix possible crash when no device is detected
This commit is contained in:
Greg Kroah-Hartman 2021-02-12 12:17:29 +01:00
commit d77b44d0c0
3 changed files with 9 additions and 8 deletions

View file

@ -15,11 +15,11 @@ static int regmap_sdw_mbq_write(void *context, unsigned int reg, unsigned int va
struct sdw_slave *slave = dev_to_sdw_dev(dev);
int ret;
ret = sdw_write(slave, SDW_SDCA_MBQ_CTL(reg), (val >> 8) & 0xff);
ret = sdw_write_no_pm(slave, SDW_SDCA_MBQ_CTL(reg), (val >> 8) & 0xff);
if (ret < 0)
return ret;
return sdw_write(slave, reg, val & 0xff);
return sdw_write_no_pm(slave, reg, val & 0xff);
}
static int regmap_sdw_mbq_read(void *context, unsigned int reg, unsigned int *val)
@ -29,11 +29,11 @@ static int regmap_sdw_mbq_read(void *context, unsigned int reg, unsigned int *va
int read0;
int read1;
read0 = sdw_read(slave, reg);
read0 = sdw_read_no_pm(slave, reg);
if (read0 < 0)
return read0;
read1 = sdw_read(slave, SDW_SDCA_MBQ_CTL(reg));
read1 = sdw_read_no_pm(slave, SDW_SDCA_MBQ_CTL(reg));
if (read1 < 0)
return read1;
@ -98,4 +98,4 @@ struct regmap *__devm_regmap_init_sdw_mbq(struct sdw_slave *sdw,
EXPORT_SYMBOL_GPL(__devm_regmap_init_sdw_mbq);
MODULE_DESCRIPTION("Regmap SoundWire MBQ Module");
MODULE_LICENSE("GPL v2");
MODULE_LICENSE("GPL");

View file

@ -13,7 +13,7 @@ static int regmap_sdw_write(void *context, unsigned int reg, unsigned int val)
struct device *dev = context;
struct sdw_slave *slave = dev_to_sdw_dev(dev);
return sdw_write(slave, reg, val);
return sdw_write_no_pm(slave, reg, val);
}
static int regmap_sdw_read(void *context, unsigned int reg, unsigned int *val)
@ -22,7 +22,7 @@ static int regmap_sdw_read(void *context, unsigned int reg, unsigned int *val)
struct sdw_slave *slave = dev_to_sdw_dev(dev);
int read;
read = sdw_read(slave, reg);
read = sdw_read_no_pm(slave, reg);
if (read < 0)
return read;

View file

@ -405,11 +405,12 @@ int sdw_intel_acpi_scan(acpi_handle *parent_handle,
{
acpi_status status;
info->handle = NULL;
status = acpi_walk_namespace(ACPI_TYPE_DEVICE,
parent_handle, 1,
sdw_intel_acpi_cb,
NULL, info, NULL);
if (ACPI_FAILURE(status))
if (ACPI_FAILURE(status) || info->handle == NULL)
return -ENODEV;
return sdw_intel_scan_controller(info);