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authorLinus Torvalds <torvalds@linux-foundation.org>2026-02-27 10:49:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2026-02-27 10:49:54 -0800
commit962336b9ff822e6b3288465106892bdcd2d577e1 (patch)
tree844845fb76bcd0d5988eb58110a4f0c1bb3d46c2
parent78d964c47f91c22e9214956316743d2759cd0fd2 (diff)
parent901084c51a0a8fb42a3f37d2e9c62083c495f824 (diff)
Merge tag 'mmc-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson: "MMC core: - Avoid bitfield RMW for claim/retune flags MMC host: - dw_mmc-rockchip: Fix runtime PM support for internal phase support - mmci: Fix device_node reference leak in of_get_dml_pipe_index() - sdhci-brcmstb: Use correct register offset for V1 pin_sel restore" * tag 'mmc-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: core: Avoid bitfield RMW for claim/retune flags mmc: sdhci-brcmstb: use correct register offset for V1 pin_sel restore mmc: dw_mmc-rockchip: Fix runtime PM support for internal phase support mmc: mmci: Fix device_node reference leak in of_get_dml_pipe_index()
-rw-r--r--drivers/mmc/host/dw_mmc-rockchip.c38
-rw-r--r--drivers/mmc/host/mmci_qcom_dml.c1
-rw-r--r--drivers/mmc/host/sdhci-brcmstb.c2
-rw-r--r--include/linux/mmc/host.h9
4 files changed, 44 insertions, 6 deletions
diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c
index 4e3423a19bdf..ac069d0c42b2 100644
--- a/drivers/mmc/host/dw_mmc-rockchip.c
+++ b/drivers/mmc/host/dw_mmc-rockchip.c
@@ -36,6 +36,8 @@ struct dw_mci_rockchip_priv_data {
int default_sample_phase;
int num_phases;
bool internal_phase;
+ int sample_phase;
+ int drv_phase;
};
/*
@@ -573,9 +575,43 @@ static void dw_mci_rockchip_remove(struct platform_device *pdev)
dw_mci_pltfm_remove(pdev);
}
+static int dw_mci_rockchip_runtime_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct dw_mci *host = platform_get_drvdata(pdev);
+ struct dw_mci_rockchip_priv_data *priv = host->priv;
+
+ if (priv->internal_phase) {
+ priv->sample_phase = rockchip_mmc_get_phase(host, true);
+ priv->drv_phase = rockchip_mmc_get_phase(host, false);
+ }
+
+ return dw_mci_runtime_suspend(dev);
+}
+
+static int dw_mci_rockchip_runtime_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct dw_mci *host = platform_get_drvdata(pdev);
+ struct dw_mci_rockchip_priv_data *priv = host->priv;
+ int ret;
+
+ ret = dw_mci_runtime_resume(dev);
+ if (ret)
+ return ret;
+
+ if (priv->internal_phase) {
+ rockchip_mmc_set_phase(host, true, priv->sample_phase);
+ rockchip_mmc_set_phase(host, false, priv->drv_phase);
+ mci_writel(host, MISC_CON, MEM_CLK_AUTOGATE_ENABLE);
+ }
+
+ return ret;
+}
+
static const struct dev_pm_ops dw_mci_rockchip_dev_pm_ops = {
SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
- RUNTIME_PM_OPS(dw_mci_runtime_suspend, dw_mci_runtime_resume, NULL)
+ RUNTIME_PM_OPS(dw_mci_rockchip_runtime_suspend, dw_mci_rockchip_runtime_resume, NULL)
};
static struct platform_driver dw_mci_rockchip_pltfm_driver = {
diff --git a/drivers/mmc/host/mmci_qcom_dml.c b/drivers/mmc/host/mmci_qcom_dml.c
index 3da6112fbe39..67371389cc33 100644
--- a/drivers/mmc/host/mmci_qcom_dml.c
+++ b/drivers/mmc/host/mmci_qcom_dml.c
@@ -109,6 +109,7 @@ static int of_get_dml_pipe_index(struct device_node *np, const char *name)
&dma_spec))
return -ENODEV;
+ of_node_put(dma_spec.np);
if (dma_spec.args_count)
return dma_spec.args[0];
diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c
index c9442499876c..57e45951644e 100644
--- a/drivers/mmc/host/sdhci-brcmstb.c
+++ b/drivers/mmc/host/sdhci-brcmstb.c
@@ -116,7 +116,7 @@ static void sdhci_brcmstb_restore_regs(struct mmc_host *mmc, enum cfg_core_ver v
writel(sr->boot_main_ctl, priv->boot_regs + SDIO_BOOT_MAIN_CTL);
if (ver == SDIO_CFG_CORE_V1) {
- writel(sr->sd_pin_sel, cr + SDIO_CFG_SD_PIN_SEL);
+ writel(sr->sd_pin_sel, cr + SDIO_CFG_V1_SD_PIN_SEL);
return;
}
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index e0e2c265e5d1..ba84f02c2a10 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -486,14 +486,12 @@ struct mmc_host {
struct mmc_ios ios; /* current io bus settings */
+ bool claimed; /* host exclusively claimed */
+
/* group bitfields together to minimize padding */
unsigned int use_spi_crc:1;
- unsigned int claimed:1; /* host exclusively claimed */
unsigned int doing_init_tune:1; /* initial tuning in progress */
- unsigned int can_retune:1; /* re-tuning can be used */
unsigned int doing_retune:1; /* re-tuning in progress */
- unsigned int retune_now:1; /* do re-tuning at next req */
- unsigned int retune_paused:1; /* re-tuning is temporarily disabled */
unsigned int retune_crc_disable:1; /* don't trigger retune upon crc */
unsigned int can_dma_map_merge:1; /* merging can be used */
unsigned int vqmmc_enabled:1; /* vqmmc regulator is enabled */
@@ -508,6 +506,9 @@ struct mmc_host {
int rescan_disable; /* disable card detection */
int rescan_entered; /* used with nonremovable devices */
+ bool can_retune; /* re-tuning can be used */
+ bool retune_now; /* do re-tuning at next req */
+ bool retune_paused; /* re-tuning is temporarily disabled */
int need_retune; /* re-tuning is needed */
int hold_retune; /* hold off re-tuning */
unsigned int retune_period; /* re-tuning period in secs */