diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2014-10-06 16:23:05 +0400 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2014-10-06 17:08:14 +0400 |
| commit | 3db3525196a992da628fb210776d73ec4bb59460 (patch) | |
| tree | 25ce914645e9210a730154f503a6b013ec528bfc /drivers/mmc | |
| parent | b3f635ad6648d17178c3e2ab2f0a4823fcac1e83 (diff) | |
| download | linux-3db3525196a992da628fb210776d73ec4bb59460.tar.xz | |
mmc: sdhci-acpi: Get UID directly from acpi_device
UID was made available on acpi_device since
commit ccf78040265b ("ACPI: Add _UID support for ACPI devices.")
Use it from there instead of reprocessing the
ACPI object info.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-acpi.c | 26 |
1 files changed, 5 insertions, 21 deletions
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index e9a2c6f2a2e3..839f26cdc901 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -225,8 +225,8 @@ static const struct acpi_device_id sdhci_acpi_ids[] = { }; MODULE_DEVICE_TABLE(acpi, sdhci_acpi_ids); -static const struct sdhci_acpi_slot *sdhci_acpi_get_slot_by_ids(const char *hid, - const char *uid) +static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(const char *hid, + const char *uid) { const struct sdhci_acpi_uid_slot *u; @@ -241,24 +241,6 @@ static const struct sdhci_acpi_slot *sdhci_acpi_get_slot_by_ids(const char *hid, return NULL; } -static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(acpi_handle handle, - const char *hid) -{ - const struct sdhci_acpi_slot *slot; - struct acpi_device_info *info; - const char *uid = NULL; - acpi_status status; - - status = acpi_get_object_info(handle, &info); - if (!ACPI_FAILURE(status) && (info->valid & ACPI_VALID_UID)) - uid = info->unique_id.string; - - slot = sdhci_acpi_get_slot_by_ids(hid, uid); - - kfree(info); - return slot; -} - static int sdhci_acpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -269,6 +251,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev) struct resource *iomem; resource_size_t len; const char *hid; + const char *uid; int err; if (acpi_bus_get_device(handle, &device)) @@ -278,6 +261,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev) return -ENODEV; hid = acpi_device_hid(device); + uid = device->pnp.unique_id; iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!iomem) @@ -296,7 +280,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev) c = sdhci_priv(host); c->host = host; - c->slot = sdhci_acpi_get_slot(handle, hid); + c->slot = sdhci_acpi_get_slot(hid, uid); c->pdev = pdev; c->use_runtime_pm = sdhci_acpi_flag(c, SDHCI_ACPI_RUNTIME_PM); |