diff mbox series

[V2,7/8] brcmfmac: 4373 save-restore support

Message ID 1542007730-47284-8-git-send-email-chi-hsien.lin@cypress.com (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show
Series brcmfmac: chip related changes | expand

Commit Message

Chi-Hsien Lin Nov. 12, 2018, 7:29 a.m. UTC
Use sr_eng_en bit to check 4373 sr support.

Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Arend van Spriel Nov. 12, 2018, 10:30 a.m. UTC | #1
On 11/12/2018 8:29 AM, Chi-Hsien Lin wrote:
> Use sr_eng_en bit to check 4373 sr support.
>
> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
> ---
>  drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
> index a8d3b96b727f..08d5173d000c 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
> @@ -1365,6 +1365,11 @@ bool brcmf_chip_sr_capable(struct brcmf_chip *pub)
>  		addr = CORE_CC_REG(base, sr_control1);
>  		reg = chip->ops->read32(chip->ctx, addr);
>  		return reg != 0;
> +	case CY_CC_4373_CHIP_ID:
> +		/* explicitly check SR engine enable bit */
> +		addr = CORE_CC_REG(base, sr_control0);
> +		reg = chip->ops->read32(chip->ctx, addr);
> +		return (reg & BIT(0)) != 0;

Sorry for not saying it earlier, but maybe it is good to add define of 
SR engine enable bit in brcm80211/include/chipcommon.h.

Regards,
Arend
Chi-Hsien Lin Nov. 20, 2018, 9:15 a.m. UTC | #2
On 11/12/2018 6:30, Arend van Spriel wrote:
> On 11/12/2018 8:29 AM, Chi-Hsien Lin wrote:
>> Use sr_eng_en bit to check 4373 sr support.
>>
>> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
>> Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
>> ---
>>  drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c 
>> b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
>> index a8d3b96b727f..08d5173d000c 100644
>> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
>> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
>> @@ -1365,6 +1365,11 @@ bool brcmf_chip_sr_capable(struct brcmf_chip *pub)
>>          addr = CORE_CC_REG(base, sr_control1);
>>          reg = chip->ops->read32(chip->ctx, addr);
>>          return reg != 0;
>> +    case CY_CC_4373_CHIP_ID:
>> +        /* explicitly check SR engine enable bit */
>> +        addr = CORE_CC_REG(base, sr_control0);
>> +        reg = chip->ops->read32(chip->ctx, addr);
>> +        return (reg & BIT(0)) != 0;
> 
> Sorry for not saying it earlier, but maybe it is good to add define of 
> SR engine enable bit in brcm80211/include/chipcommon.h.

No problem. I'll make this change and submit V3 shortly.

> 
> Regards,
> Arend
> .
>
diff mbox series

Patch

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
index a8d3b96b727f..08d5173d000c 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
@@ -1365,6 +1365,11 @@  bool brcmf_chip_sr_capable(struct brcmf_chip *pub)
 		addr = CORE_CC_REG(base, sr_control1);
 		reg = chip->ops->read32(chip->ctx, addr);
 		return reg != 0;
+	case CY_CC_4373_CHIP_ID:
+		/* explicitly check SR engine enable bit */
+		addr = CORE_CC_REG(base, sr_control0);
+		reg = chip->ops->read32(chip->ctx, addr);
+		return (reg & BIT(0)) != 0;
 	case CY_CC_43012_CHIP_ID:
 		addr = CORE_CC_REG(pmu->base, retention_ctl);
 		reg = chip->ops->read32(chip->ctx, addr);