diff mbox series

[8/8] spi: spi-s3c64xx: Turn on interrupts upon resume

Message ID 20200819123208.12337-9-l.stelmach@samsung.com (mailing list archive)
State New, archived
Headers show
Series [1/8] spi: spi-s3c64xx: swap s3c64xx_spi_set_cs() and s3c64xx_enable_datapath() | expand

Commit Message

Lukasz Stelmach Aug. 19, 2020, 12:32 p.m. UTC 
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
---
 drivers/spi/spi-s3c64xx.c | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Krzysztof Kozlowski Aug. 19, 2020, 12:53 p.m. UTC | #1 
On Wed, Aug 19, 2020 at 02:32:08PM +0200, Łukasz Stelmach wrote:
> Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
> ---
>  drivers/spi/spi-s3c64xx.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index 27db1e0f6f32..5dcad43fb847 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -1356,6 +1356,10 @@ static int s3c64xx_spi_runtime_resume(struct device *dev)
>  
>  	s3c64xx_spi_hwinit(sdd);
>  
> +	writel(S3C64XX_SPI_INT_RX_OVERRUN_EN | S3C64XX_SPI_INT_RX_UNDERRUN_EN |
> +	       S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN,
> +	       sdd->regs + S3C64XX_SPI_INT_EN);
> +

Makes sense but you should explain in the commit msg what happens
without this (or why they are not enabled).

Best regards,
Krzysztof
Lukasz Stelmach Aug. 19, 2020, 1:33 p.m. UTC | #2 
It was <2020-08-19 śro 14:53>, when Krzysztof Kozlowski wrote:
> On Wed, Aug 19, 2020 at 02:32:08PM +0200, Łukasz Stelmach wrote:
>> Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
>> ---
>>  drivers/spi/spi-s3c64xx.c | 4 ++++
>>  1 file changed, 4 insertions(+)
>> 
>> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
>> index 27db1e0f6f32..5dcad43fb847 100644
>> --- a/drivers/spi/spi-s3c64xx.c
>> +++ b/drivers/spi/spi-s3c64xx.c
>> @@ -1356,6 +1356,10 @@ static int s3c64xx_spi_runtime_resume(struct device *dev)
>>  
>>  	s3c64xx_spi_hwinit(sdd);
>>  
>> +	writel(S3C64XX_SPI_INT_RX_OVERRUN_EN | S3C64XX_SPI_INT_RX_UNDERRUN_EN |
>> +	       S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN,
>> +	       sdd->regs + S3C64XX_SPI_INT_EN);
>> +
>
> Makes sense but you should explain in the commit msg what happens
> without this (or why they are not enabled).

Done, thanks.
diff mbox series

Patch

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 27db1e0f6f32..5dcad43fb847 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1356,6 +1356,10 @@  static int s3c64xx_spi_runtime_resume(struct device *dev)
 
 	s3c64xx_spi_hwinit(sdd);
 
+	writel(S3C64XX_SPI_INT_RX_OVERRUN_EN | S3C64XX_SPI_INT_RX_UNDERRUN_EN |
+	       S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN,
+	       sdd->regs + S3C64XX_SPI_INT_EN);
+
 	return 0;
 
 err_disable_src_clk: