openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

mmc: sdhci-acpi: Switch to use acpi_dev_hid_uid_match() 

Since we have a generic helper, drop custom implementation in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Andy Shevchenko 2019-10-01 17:27:24 +03:00 committed by Rafael J. Wysocki
parent 7e70c8acf2
commit 4f3cde3a24
1 changed files with 16 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/mmc/host/sdhci-acpi.c
View File

@ -61,7 +61,7 @@ struct sdhci_acpi_slot {
mmc_pm_flag_t pm_caps;
unsigned int flags;
size_t priv_size;
int (*probe_slot)(struct platform_device *, const char *, const char *);
int (*probe_slot)(struct platform_device *, struct acpi_device *);
int (*remove_slot)(struct platform_device *);
int (*free_slot)(struct platform_device *pdev);
int (*setup_host)(struct platform_device *pdev);
@ -325,12 +325,10 @@ static bool sdhci_acpi_cht_pci_wifi(unsigned int vendor, unsigned int device,
* wifi card in the expected slot with an ACPI companion node, is used to
* indicate that acpi_device_fix_up_power() should be avoided.
*/
static inline bool sdhci_acpi_no_fixup_child_power(const char *hid,
const char *uid)
static inline bool sdhci_acpi_no_fixup_child_power(struct acpi_device *adev)
{
return sdhci_acpi_cht() &&
!strcmp(hid, "80860F14") &&
!strcmp(uid, "2") &&
acpi_dev_hid_uid_match(adev, "80860F14", "2") &&
sdhci_acpi_cht_pci_wifi(0x14e4, 0x43ec, 0, 28);
}
@ -345,8 +343,7 @@ static inline bool sdhci_acpi_byt_defer(struct device *dev)
return false;
}
static inline bool sdhci_acpi_no_fixup_child_power(const char *hid,
const char *uid)
static inline bool sdhci_acpi_no_fixup_child_power(struct acpi_device *adev)
{
return false;
}
@ -375,19 +372,18 @@ static int bxt_get_cd(struct mmc_host *mmc)
return ret;
}
static int intel_probe_slot(struct platform_device *pdev, const char *hid,
const char *uid)
static int intel_probe_slot(struct platform_device *pdev, struct acpi_device *adev)
{
struct sdhci_acpi_host *c = platform_get_drvdata(pdev);
struct intel_host *intel_host = sdhci_acpi_priv(c);
struct sdhci_host *host = c->host;
if (hid && uid && !strcmp(hid, "80860F14") && !strcmp(uid, "1") &&
if (acpi_dev_hid_uid_match(adev, "80860F14", "1") &&
sdhci_readl(host, SDHCI_CAPABILITIES) == 0x446cc8b2 &&
sdhci_readl(host, SDHCI_CAPABILITIES_1) == 0x00000807)
host->timeout_clk = 1000; /* 1000 kHz i.e. 1 MHz */
if (hid && !strcmp(hid, "80865ACA"))
if (acpi_dev_hid_uid_match(adev, "80865ACA", NULL))
host->mmc_host_ops.get_cd = bxt_get_cd;
intel_dsm_init(intel_host, &pdev->dev, host->mmc);
@ -473,8 +469,7 @@ static irqreturn_t sdhci_acpi_qcom_handler(int irq, void *ptr)
return IRQ_HANDLED;
}
static int qcom_probe_slot(struct platform_device *pdev, const char *hid,
const char *uid)
static int qcom_probe_slot(struct platform_device *pdev, struct acpi_device *adev)
{
struct sdhci_acpi_host *c = platform_get_drvdata(pdev);
struct sdhci_host *host = c->host;
@ -482,7 +477,7 @@ static int qcom_probe_slot(struct platform_device *pdev, const char *hid,
*irq = -EINVAL;
if (strcmp(hid, "QCOM8051"))
if (!acpi_dev_hid_uid_match(adev, "QCOM8051", NULL))
return 0;
*irq = platform_get_irq(pdev, 1);
@ -501,14 +496,12 @@ static int qcom_free_slot(struct platform_device *pdev)
struct sdhci_host *host = c->host;
struct acpi_device *adev;
int *irq = sdhci_acpi_priv(c);
const char *hid;
adev = ACPI_COMPANION(dev);
if (!adev)
return -ENODEV;
hid = acpi_device_hid(adev);
if (strcmp(hid, "QCOM8051"))
if (!acpi_dev_hid_uid_match(adev, "QCOM8051", NULL))
return 0;
if (*irq < 0)
@ -583,7 +576,7 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_amd = {
};
static int sdhci_acpi_emmc_amd_probe_slot(struct platform_device *pdev,
const char *hid, const char *uid)
struct acpi_device *adev)
{
struct sdhci_acpi_host *c = platform_get_drvdata(pdev);
struct sdhci_host *host = c->host;
@ -654,17 +647,12 @@ 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(const char *hid,
const char *uid)
static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(struct acpi_device *adev)
{
const struct sdhci_acpi_uid_slot *u;
for (u = sdhci_acpi_uids; u->hid; u++) {
if (strcmp(u->hid, hid))
continue;
if (!u->uid)
return u->slot;
if (uid && !strcmp(u->uid, uid))
if (acpi_dev_hid_uid_match(adev, u->hid, u->uid))
return u->slot;
}
return NULL;
@ -680,22 +668,17 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
struct resource *iomem;
resource_size_t len;
size_t priv_size;
const char *hid;
const char *uid;
int err;
device = ACPI_COMPANION(dev);
if (!device)
return -ENODEV;
hid = acpi_device_hid(device);
uid = acpi_device_uid(device);
slot = sdhci_acpi_get_slot(hid, uid);
slot = sdhci_acpi_get_slot(device);
/* Power on the SDHCI controller and its children */
acpi_device_fix_up_power(device);
if (!sdhci_acpi_no_fixup_child_power(hid, uid)) {
if (!sdhci_acpi_no_fixup_child_power(device)) {
list_for_each_entry(child, &device->children, node)
if (child->status.present && child->status.enabled)
acpi_device_fix_up_power(child);
@ -745,7 +728,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
if (c->slot) {
if (c->slot->probe_slot) {
err = c->slot->probe_slot(pdev, hid, uid);
err = c->slot->probe_slot(pdev, device);
if (err)
goto err_free;
}