mmc: Merge branch fixes into next

Merge the mmc fixes for v6.7-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.8.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/core/block.c

@@ -874,9 +874,10 @@ static const struct block_device_operations mmc_bdops = {
 static int mmc_blk_part_switch_pre(struct mmc_card *card,
 				   unsigned int part_type)
 {
+	const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_RPMB;
 	int ret = 0;
 
-	if (part_type == EXT_CSD_PART_CONFIG_ACC_RPMB) {
+	if ((part_type & mask) == mask) {
 		if (card->ext_csd.cmdq_en) {
 			ret = mmc_cmdq_disable(card);
 			if (ret)
@@ -891,9 +892,10 @@ static int mmc_blk_part_switch_pre(struct mmc_card *card,
 static int mmc_blk_part_switch_post(struct mmc_card *card,
 				    unsigned int part_type)
 {
+	const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_RPMB;
 	int ret = 0;
 
-	if (part_type == EXT_CSD_PART_CONFIG_ACC_RPMB) {
+	if ((part_type & mask) == mask) {
 		mmc_retune_unpause(card->host);
 		if (card->reenable_cmdq && !card->ext_csd.cmdq_en)
 			ret = mmc_cmdq_enable(card);
@@ -3185,4 +3187,3 @@ module_exit(mmc_blk_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Multimedia Card (MMC) block device driver");
-

drivers/mmc/host/meson-mx-sdhc-mmc.c

@@ -269,7 +269,7 @@ static int meson_mx_sdhc_enable_clks(struct mmc_host *mmc)
 static int meson_mx_sdhc_set_clk(struct mmc_host *mmc, struct mmc_ios *ios)
 {
 	struct meson_mx_sdhc_host *host = mmc_priv(mmc);
-	u32 rx_clk_phase;
+	u32 val, rx_clk_phase;
 	int ret;
 
 	meson_mx_sdhc_disable_clks(mmc);
@@ -290,27 +290,11 @@ static int meson_mx_sdhc_set_clk(struct mmc_host *mmc, struct mmc_ios *ios)
 		mmc->actual_clock = clk_get_rate(host->sd_clk);
 
 		/*
-		 * according to Amlogic the following latching points are
-		 * selected with empirical values, there is no (known) formula
-		 * to calculate these.
+		 * Phase 90 should work in most cases. For data transmission,
+		 * meson_mx_sdhc_execute_tuning() will find a accurate value
 		 */
-		if (mmc->actual_clock > 100000000) {
-			rx_clk_phase = 1;
-		} else if (mmc->actual_clock > 45000000) {
-			if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330)
-				rx_clk_phase = 15;
-			else
-				rx_clk_phase = 11;
-		} else if (mmc->actual_clock >= 25000000) {
-			rx_clk_phase = 15;
-		} else if (mmc->actual_clock > 5000000) {
-			rx_clk_phase = 23;
-		} else if (mmc->actual_clock > 1000000) {
-			rx_clk_phase = 55;
-		} else {
-			rx_clk_phase = 1061;
-		}
-
+		regmap_read(host->regmap, MESON_SDHC_CLKC, &val);
+		rx_clk_phase = FIELD_GET(MESON_SDHC_CLKC_CLK_DIV, val) / 4;
 		regmap_update_bits(host->regmap, MESON_SDHC_CLK2,
 				   MESON_SDHC_CLK2_RX_CLK_PHASE,
 				   FIELD_PREP(MESON_SDHC_CLK2_RX_CLK_PHASE,