* [PATCH v2] misc: rtsx: init of rts522a add OCP power off when no card is present
@ 2021-02-04 8:31 ricky_wu
0 siblings, 0 replies; 3+ messages in thread
From: ricky_wu @ 2021-02-04 8:31 UTC (permalink / raw)
To: arnd, gregkh, ricky_wu, yuehaibing, ulf.hansson, bhelgaas, linux-kernel
Cc: stable
From: Ricky Wu <ricky_wu@realtek.com>
Power down OCP for power consumption
when no SD/MMC card is present
Cc: stable@vger.kernel.org
Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
---
v2: update the subject line and description
---
drivers/misc/cardreader/rts5227.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/misc/cardreader/rts5227.c b/drivers/misc/cardreader/rts5227.c
index 8859011672cb..8200af22b529 100644
--- a/drivers/misc/cardreader/rts5227.c
+++ b/drivers/misc/cardreader/rts5227.c
@@ -398,6 +398,11 @@ static int rts522a_extra_init_hw(struct rtsx_pcr *pcr)
{
rts5227_extra_init_hw(pcr);
+ /* Power down OCP for power consumption */
+ if (!pcr->card_exist)
+ rtsx_pci_write_register(pcr, FPDCTL, OC_POWER_DOWN,
+ OC_POWER_DOWN);
+
rtsx_pci_write_register(pcr, FUNC_FORCE_CTL, FUNC_FORCE_UPME_XMT_DBG,
FUNC_FORCE_UPME_XMT_DBG);
rtsx_pci_write_register(pcr, PCLK_CTL, 0x04, 0x04);
--
2.17.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2] misc: rtsx: init of rts522a add OCP power off when no card is present
2021-06-04 7:25 ricky_wu
@ 2021-06-04 8:23 ` Greg KH
0 siblings, 0 replies; 3+ messages in thread
From: Greg KH @ 2021-06-04 8:23 UTC (permalink / raw)
To: ricky_wu; +Cc: stable
On Fri, Jun 04, 2021 at 03:25:08PM +0800, ricky_wu@realtek.com wrote:
> From: Ricky Wu <ricky_wu@realtek.com>
>
> Power down OCP for power consumption
> when no SD/MMC card is present
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
> ---
>
> v2: update the subject line and description
> ---
> drivers/misc/cardreader/rts5227.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
<formletter>
This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.
</formletter>
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v2] misc: rtsx: init of rts522a add OCP power off when no card is present
@ 2021-06-04 7:25 ricky_wu
2021-06-04 8:23 ` Greg KH
0 siblings, 1 reply; 3+ messages in thread
From: ricky_wu @ 2021-06-04 7:25 UTC (permalink / raw)
To: ricky_wu; +Cc: stable
From: Ricky Wu <ricky_wu@realtek.com>
Power down OCP for power consumption
when no SD/MMC card is present
Cc: stable@vger.kernel.org
Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
---
v2: update the subject line and description
---
drivers/misc/cardreader/rts5227.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/misc/cardreader/rts5227.c b/drivers/misc/cardreader/rts5227.c
index 8859011672cb..8200af22b529 100644
--- a/drivers/misc/cardreader/rts5227.c
+++ b/drivers/misc/cardreader/rts5227.c
@@ -398,6 +398,11 @@ static int rts522a_extra_init_hw(struct rtsx_pcr *pcr)
{
rts5227_extra_init_hw(pcr);
+ /* Power down OCP for power consumption */
+ if (!pcr->card_exist)
+ rtsx_pci_write_register(pcr, FPDCTL, OC_POWER_DOWN,
+ OC_POWER_DOWN);
+
rtsx_pci_write_register(pcr, FUNC_FORCE_CTL, FUNC_FORCE_UPME_XMT_DBG,
FUNC_FORCE_UPME_XMT_DBG);
rtsx_pci_write_register(pcr, PCLK_CTL, 0x04, 0x04);
--
2.17.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
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2021-02-04 8:31 [PATCH v2] misc: rtsx: init of rts522a add OCP power off when no card is present ricky_wu
2021-06-04 7:25 ricky_wu
2021-06-04 8:23 ` Greg KH
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