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Message-ID: <52906c6836374c8cb068225954c5543a@realtek.com>
Date: Tue, 25 Jul 2023 09:10:54 +0000
From: Ricky WU <ricky_wu@...ltek.com>
To: "arnd@...db.de" <arnd@...db.de>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
Ricky WU <ricky_wu@...ltek.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] misc: rtsx: judge ASPM Mode to set PETXCFG Reg
ASPM Mode is ASPM_MODE_CFG need to judge the value of clkreq_0
to set HIGH or LOW, if the ASPM Mode is ASPM_MODE_REG
always set to HIGH during the initialization.
Cc: stable@...r.kernel.org
Signed-off-by: Ricky Wu <ricky_wu@...ltek.com>
---
drivers/misc/cardreader/rts5227.c | 2 +-
drivers/misc/cardreader/rts5228.c | 18 ------------------
drivers/misc/cardreader/rts5249.c | 3 +--
drivers/misc/cardreader/rts5260.c | 18 ------------------
drivers/misc/cardreader/rts5261.c | 18 ------------------
drivers/misc/cardreader/rtsx_pcr.c | 5 ++++-
6 files changed, 6 insertions(+), 58 deletions(-)
diff --git a/drivers/misc/cardreader/rts5227.c b/drivers/misc/cardreader/rts5227.c
index d676cf63a966..3dae5e3a1697 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 cfebad51d1d8..f4ab09439da7 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 91d240dd68fa..47ab72a43256 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 9b42b20a3e5a..79b18f6f73a8 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 b1e76030cafd..94af6bf8a25a 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 32b7783e9d4f..a3f4b52bb159 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.
--
2.25.1
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