aboutsummaryrefslogtreecommitdiff
path: root/drivers/mmc/host/sdhci-pci-o2micro.c
diff options
context:
space:
mode:
authorDmitry Torokhov <[email protected]>2023-08-30 16:06:38 -0700
committerDmitry Torokhov <[email protected]>2023-08-30 16:06:38 -0700
commit1ac731c529cd4d6adbce134754b51ff7d822b145 (patch)
tree143ab3f35ca5f3b69f583c84e6964b17139c2ec1 /drivers/mmc/host/sdhci-pci-o2micro.c
parent07b4c950f27bef0362dc6ad7ee713aab61d58149 (diff)
parent54116d442e001e1b6bd482122043b1870998a1f3 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.6 merge window.
Diffstat (limited to 'drivers/mmc/host/sdhci-pci-o2micro.c')
-rw-r--r--drivers/mmc/host/sdhci-pci-o2micro.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c
index 98cadff47b2b..620f52ad9667 100644
--- a/drivers/mmc/host/sdhci-pci-o2micro.c
+++ b/drivers/mmc/host/sdhci-pci-o2micro.c
@@ -339,22 +339,24 @@ static int sdhci_o2_execute_tuning(struct mmc_host *mmc, u32 opcode)
reg_val &= ~SDHCI_CLOCK_CARD_EN;
sdhci_writew(host, reg_val, SDHCI_CLOCK_CONTROL);
- /* UnLock WP */
- pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch_8);
- scratch_8 &= 0x7f;
- pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch_8);
-
- /* Set pcr 0x354[16] to choose dll clock, and set the default phase */
- pci_read_config_dword(chip->pdev, O2_SD_OUTPUT_CLK_SOURCE_SWITCH, &reg_val);
- reg_val &= ~(O2_SD_SEL_DLL | O2_SD_PHASE_MASK);
- reg_val |= (O2_SD_SEL_DLL | O2_SD_FIX_PHASE);
- pci_write_config_dword(chip->pdev, O2_SD_OUTPUT_CLK_SOURCE_SWITCH, reg_val);
+ if ((host->timing == MMC_TIMING_MMC_HS200) ||
+ (host->timing == MMC_TIMING_UHS_SDR104)) {
+ /* UnLock WP */
+ pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch_8);
+ scratch_8 &= 0x7f;
+ pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch_8);
- /* Lock WP */
- pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch_8);
- scratch_8 |= 0x80;
- pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch_8);
+ /* Set pcr 0x354[16] to choose dll clock, and set the default phase */
+ pci_read_config_dword(chip->pdev, O2_SD_OUTPUT_CLK_SOURCE_SWITCH, &reg_val);
+ reg_val &= ~(O2_SD_SEL_DLL | O2_SD_PHASE_MASK);
+ reg_val |= (O2_SD_SEL_DLL | O2_SD_FIX_PHASE);
+ pci_write_config_dword(chip->pdev, O2_SD_OUTPUT_CLK_SOURCE_SWITCH, reg_val);
+ /* Lock WP */
+ pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch_8);
+ scratch_8 |= 0x80;
+ pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch_8);
+ }
/* Start clk */
reg_val = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
reg_val |= SDHCI_CLOCK_CARD_EN;