Merge commit b320441c04c9 ("Merge tag 'tty-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty") into tty-next

We need the serial-core fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

7 files changed, 24 insertions, 59 deletions

diff --git a/drivers/misc/cardreader/rts5227.c b/drivers/misc/cardreader/rts5227.c
index d676cf63a9669..3dae5e3a16976 100644
--- a/drivers/misc/cardreader/rts5227.c
+++ b/drivers/misc/cardreader/rts5227.c
@@ -195,7 +195,7 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
 		}
 	}
 
-	if (option->force_clkreq_0)
+	if (option->force_clkreq_0 && pcr->aspm_mode == ASPM_MODE_CFG)
 		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
 				FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
 	else
diff --git a/drivers/misc/cardreader/rts5228.c b/drivers/misc/cardreader/rts5228.c
index cfebad51d1d80..f4ab09439da70 100644
--- a/drivers/misc/cardreader/rts5228.c
+++ b/drivers/misc/cardreader/rts5228.c
@@ -435,17 +435,10 @@ static void rts5228_init_from_cfg(struct rtsx_pcr *pcr)
 			option->ltr_enabled = false;
 		}
 	}
-
-	if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN
-				| PM_L1_1_EN | PM_L1_2_EN))
-		option->force_clkreq_0 = false;
-	else
-		option->force_clkreq_0 = true;
 }
 
 static int rts5228_extra_init_hw(struct rtsx_pcr *pcr)
 {
-	struct rtsx_cr_option *option = &pcr->option;
 
 	rtsx_pci_write_register(pcr, RTS5228_AUTOLOAD_CFG1,
 			CD_RESUME_EN_MASK, CD_RESUME_EN_MASK);
@@ -476,17 +469,6 @@ static int rts5228_extra_init_hw(struct rtsx_pcr *pcr)
 	else
 		rtsx_pci_write_register(pcr, PETXCFG, 0x30, 0x00);
 
-	/*
-	 * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
-	 * to drive low, and we forcibly request clock.
-	 */
-	if (option->force_clkreq_0)
-		rtsx_pci_write_register(pcr, PETXCFG,
-				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
-	else
-		rtsx_pci_write_register(pcr, PETXCFG,
-				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
-
 	rtsx_pci_write_register(pcr, PWD_SUSPEND_EN, 0xFF, 0xFB);
 
 	if (pcr->rtd3_en) {
diff --git a/drivers/misc/cardreader/rts5249.c b/drivers/misc/cardreader/rts5249.c
index 91d240dd68faa..47ab72a43256b 100644
--- a/drivers/misc/cardreader/rts5249.c
+++ b/drivers/misc/cardreader/rts5249.c
@@ -327,12 +327,11 @@ static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
 		}
 	}
 
-
 	/*
 	 * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
 	 * to drive low, and we forcibly request clock.
 	 */
-	if (option->force_clkreq_0)
+	if (option->force_clkreq_0 && pcr->aspm_mode == ASPM_MODE_CFG)
 		rtsx_pci_write_register(pcr, PETXCFG,
 			FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
 	else
diff --git a/drivers/misc/cardreader/rts5260.c b/drivers/misc/cardreader/rts5260.c
index 9b42b20a3e5ae..79b18f6f73a8a 100644
--- a/drivers/misc/cardreader/rts5260.c
+++ b/drivers/misc/cardreader/rts5260.c
@@ -517,17 +517,10 @@ static void rts5260_init_from_cfg(struct rtsx_pcr *pcr)
 			option->ltr_enabled = false;
 		}
 	}
-
-	if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN
-				| PM_L1_1_EN | PM_L1_2_EN))
-		option->force_clkreq_0 = false;
-	else
-		option->force_clkreq_0 = true;
 }
 
 static int rts5260_extra_init_hw(struct rtsx_pcr *pcr)
 {
-	struct rtsx_cr_option *option = &pcr->option;
 
 	/* Set mcu_cnt to 7 to ensure data can be sampled properly */
 	rtsx_pci_write_register(pcr, 0xFC03, 0x7F, 0x07);
@@ -546,17 +539,6 @@ static int rts5260_extra_init_hw(struct rtsx_pcr *pcr)
 
 	rts5260_init_hw(pcr);
 
-	/*
-	 * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
-	 * to drive low, and we forcibly request clock.
-	 */
-	if (option->force_clkreq_0)
-		rtsx_pci_write_register(pcr, PETXCFG,
-				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
-	else
-		rtsx_pci_write_register(pcr, PETXCFG,
-				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
-
 	rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x00);
 
 	return 0;
diff --git a/drivers/misc/cardreader/rts5261.c b/drivers/misc/cardreader/rts5261.c
index b1e76030cafda..94af6bf8a25a6 100644
--- a/drivers/misc/cardreader/rts5261.c
+++ b/drivers/misc/cardreader/rts5261.c
@@ -498,17 +498,10 @@ static void rts5261_init_from_cfg(struct rtsx_pcr *pcr)
 			option->ltr_enabled = false;
 		}
 	}
-
-	if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN
-				| PM_L1_1_EN | PM_L1_2_EN))
-		option->force_clkreq_0 = false;
-	else
-		option->force_clkreq_0 = true;
 }
 
 static int rts5261_extra_init_hw(struct rtsx_pcr *pcr)
 {
-	struct rtsx_cr_option *option = &pcr->option;
 	u32 val;
 
 	rtsx_pci_write_register(pcr, RTS5261_AUTOLOAD_CFG1,
@@ -554,17 +547,6 @@ static int rts5261_extra_init_hw(struct rtsx_pcr *pcr)
 	else
 		rtsx_pci_write_register(pcr, PETXCFG, 0x30, 0x00);
 
-	/*
-	 * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
-	 * to drive low, and we forcibly request clock.
-	 */
-	if (option->force_clkreq_0)
-		rtsx_pci_write_register(pcr, PETXCFG,
-				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
-	else
-		rtsx_pci_write_register(pcr, PETXCFG,
-				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
-
 	rtsx_pci_write_register(pcr, PWD_SUSPEND_EN, 0xFF, 0xFB);
 
 	if (pcr->rtd3_en) {
diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 32b7783e9d4fa..a3f4b52bb159f 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -1326,8 +1326,11 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
 			return err;
 	}
 
-	if (pcr->aspm_mode == ASPM_MODE_REG)
+	if (pcr->aspm_mode == ASPM_MODE_REG) {
 		rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, 0x30, 0x30);
+		rtsx_pci_write_register(pcr, PETXCFG,
+				FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
+	}
 
 	/* No CD interrupt if probing driver with card inserted.
 	 * So we need to initialize pcr->card_exist here.
diff --git a/drivers/misc/tps6594-esm.c b/drivers/misc/tps6594-esm.c
index b488f704f104e..05e2c151e6321 100644
--- a/drivers/misc/tps6594-esm.c
+++ b/drivers/misc/tps6594-esm.c
@@ -13,6 +13,8 @@
 
 #include <linux/mfd/tps6594.h>
 
+#define TPS6594_DEV_REV_1 0x08
+
 static irqreturn_t tps6594_esm_isr(int irq, void *dev_id)
 {
 	struct platform_device *pdev = dev_id;
@@ -32,11 +34,26 @@ static int tps6594_esm_probe(struct platform_device *pdev)
 {
 	struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent);
 	struct device *dev = &pdev->dev;
+	unsigned int rev;
 	int irq;
 	int ret;
 	int i;
 
-	for (i = 0 ; i < pdev->num_resources ; i++) {
+	/*
+	 * Due to a bug in revision 1 of the PMIC, the GPIO3 used for the
+	 * SoC ESM function is used to power the load switch instead.
+	 * As a consequence, ESM can not be used on those PMIC.
+	 * Check the version and return an error in case of revision 1.
+	 */
+	ret = regmap_read(tps->regmap, TPS6594_REG_DEV_REV, &rev);
+	if (ret)
+		return dev_err_probe(dev, ret,
+				     "Failed to read PMIC revision\n");
+	if (rev == TPS6594_DEV_REV_1)
+		return dev_err_probe(dev, -ENODEV,
+			      "ESM not supported for revision 1 PMIC\n");
+
+	for (i = 0; i < pdev->num_resources; i++) {
 		irq = platform_get_irq_byname(pdev, pdev->resource[i].name);
 		if (irq < 0)
 			return dev_err_probe(dev, irq, "Failed to get %s irq\n",