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drop the baytrail SDIO quirk patch which seems unneeded

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This commit is contained in:
Adam Williamson 2014-09-13 11:20:20 -07:00
parent 0936a7721a
commit 2f81b0e16d
2 changed files with 0 additions and 94 deletions
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87
baytrail_gpio_quirk_v3.patch
View File

@ -1,87 +0,0 @@
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 69e29f4..d79c6d7 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -180,6 +180,7 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = {
{ "80860F14", (unsigned long)&byt_sdio_dev_desc },
{ "80860F41", (unsigned long)&byt_i2c_dev_desc },
{ "INT33B2", },
+ { "INT33FC", },
{ "INT3430", (unsigned long)&lpt_dev_desc },
{ "INT3431", (unsigned long)&lpt_dev_desc },
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index ebb3f39..ebed2a0 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -123,7 +123,7 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = {
static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
.quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION,
- .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON,
+ .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON | SDHCI_QUIRK2_BROKEN_POWER_ENABLE,
.caps = MMC_CAP_NONREMOVABLE | MMC_CAP_POWER_OFF_CARD,
.flags = SDHCI_ACPI_RUNTIME_PM,
.pm_caps = MMC_PM_KEEP_POWER,
diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c
index 6e8301f..6c8eda2 100644
--- a/drivers/pinctrl/pinctrl-baytrail.c
+++ b/drivers/pinctrl/pinctrl-baytrail.c
@@ -151,9 +151,9 @@ static void __iomem *byt_gpio_reg(struct gpio_chip *chip, unsigned offset,
static bool is_special_pin(struct byt_gpio *vg, unsigned offset)
{
- /* SCORE pin 92-93 */
+ /* SCORE pin 92-93; 41 for SDIO pwr_en bug */
if (!strcmp(vg->range->name, BYT_SCORE_ACPI_UID) &&
- offset >= 92 && offset <= 93)
+ ((offset >= 92 && offset <= 93) || (offset == 41)))
return true;
/* SUS pin 11-21 */
@@ -176,6 +176,10 @@ static int byt_gpio_request(struct gpio_chip *chip, unsigned offset)
* But, some pins may have func pin mux 001 represents
* GPIO function. Only allow user to export pin with
* func pin mux preset as GPIO function by BIOS/FW.
+ *
+ * We do make an exception, however, for pin 41 which
+ * is needed in order to power up the SDIO bus (as per
+ * the intel erratum)
*/
value = readl(reg) & BYT_PIN_MUX;
special = is_special_pin(vg, offset);
@@ -185,6 +189,13 @@ static int byt_gpio_request(struct gpio_chip *chip, unsigned offset)
return -EINVAL;
}
+ /* This is an attempt to stop the SDHCI drivers from requesting IRQ lines
+ * through the pinctrl driver. This may be a quirk in the hardware or it
+ * may be a bug here in the IRQ handling
+ */
+ if (offset == 38)
+ return -EINVAL;
+
pm_runtime_get(&vg->pdev->dev);
return 0;
@@ -572,6 +583,7 @@ static const struct dev_pm_ops byt_gpio_pm_ops = {
static const struct acpi_device_id byt_gpio_acpi_match[] = {
{ "INT33B2", 0 },
+ { "INT33FC", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, byt_gpio_acpi_match);
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
index 7be12b8..3a7fd87 100644
--- a/include/linux/mmc/sdhci.h
+++ b/include/linux/mmc/sdhci.h
@@ -102,6 +102,8 @@ struct sdhci_host {
#define SDHCI_QUIRK2_BROKEN_HS200 (1<<6)
/* Controller does not support DDR50 */
#define SDHCI_QUIRK2_BROKEN_DDR50 (1<<7)
+/* Controller cannot initialize power (must use GPIO instead) */
+#define SDHCI_QUIRK2_BROKEN_POWER_ENABLE (1<<8)
int irq; /* Device IRQ */
void __iomem *ioaddr; /* Mapped address */

7
kernel.spec
View File

@ -631,10 +631,6 @@ Patch30000: kernel-arm64.patch
# http://www.spinics.net/lists/linux-i2c/msg15201.html
Patch31010: 0001-ACPI-temporary-dep-solution-for-battery-support.patch
# Test fix for SDIO device enumeration from Doug Johnson
# https://bugzilla.kernel.org/show_bug.cgi?id=67921
Patch31011: baytrail_gpio_quirk_v3.patch
# Add SDIO ID for the V8P wireless adapter to ath6kl driver
Patch31200: support-Dell-OEM-chipset-found-in-Venue-8-Pro-SDIO-I.patch
@ -1379,9 +1375,6 @@ ApplyPatch kernel-arm64.patch -R
# AWB (BAYTRAIL) PATCH APPLICATIONS
ApplyPatch 0001-ACPI-temporary-dep-solution-for-battery-support.patch
# Doesn't apply cleanly to 3.16
#ApplyPatch baytrail_gpio_quirk_v3.patch
ApplyPatch support-Dell-OEM-chipset-found-in-Venue-8-Pro-SDIO-I.patch
# END OF AWB (BAYTRAIL) PATCH APPLICATIONS