[v2,2/3] i2c: at91: fix clk_offset for sam9x60
diff mbox series

Message ID 1575277244-6507-1-git-send-email-eugen.hristev@microchip.com
State Superseded
Headers show
Series
  • Untitled series #145958
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Commit Message

Eugen Hristev Dec. 2, 2019, 9:01 a.m. UTC
From: Eugen Hristev <eugen.hristev@microchip.com>

In SAM9X60 datasheet, FLEX_TWI_CWGR register rescription mentions clock
offset of 3 cycles (compared to 4 in eg. SAMA5D3).
This is the same offset as in SAMA5D2.

Fixes: b00277923743 ("i2c: at91: add new platform support for sam9x60")
Suggested-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---

Sorry, wrong subject line. Modified to SAM9X60 .


 drivers/i2c/busses/i2c-at91-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Ludovic Desroches Dec. 3, 2019, 7:01 a.m. UTC | #1
On Mon, Dec 02, 2019 at 10:01:17AM +0100, Eugen Hristev - M18282 wrote:
> From: Eugen Hristev <eugen.hristev@microchip.com>
> 
> In SAM9X60 datasheet, FLEX_TWI_CWGR register rescription mentions clock

typo here: description

> offset of 3 cycles (compared to 4 in eg. SAMA5D3).
> This is the same offset as in SAMA5D2.
> 
> Fixes: b00277923743 ("i2c: at91: add new platform support for sam9x60")
> Suggested-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>

Thanks

> ---
> 
> Sorry, wrong subject line. Modified to SAM9X60 .
> 
> 
>  drivers/i2c/busses/i2c-at91-core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c
> index e13af48..5137e62 100644
> --- a/drivers/i2c/busses/i2c-at91-core.c
> +++ b/drivers/i2c/busses/i2c-at91-core.c
> @@ -174,7 +174,7 @@ static struct at91_twi_pdata sama5d2_config = {
>  
>  static struct at91_twi_pdata sam9x60_config = {
>  	.clk_max_div = 7,
> -	.clk_offset = 4,
> +	.clk_offset = 3,
>  	.has_unre_flag = true,
>  	.has_alt_cmd = true,
>  	.has_hold_field = true,
> -- 
> 2.7.4
>

Patch
diff mbox series

diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c
index e13af48..5137e62 100644
--- a/drivers/i2c/busses/i2c-at91-core.c
+++ b/drivers/i2c/busses/i2c-at91-core.c
@@ -174,7 +174,7 @@  static struct at91_twi_pdata sama5d2_config = {
 
 static struct at91_twi_pdata sam9x60_config = {
 	.clk_max_div = 7,
-	.clk_offset = 4,
+	.clk_offset = 3,
 	.has_unre_flag = true,
 	.has_alt_cmd = true,
 	.has_hold_field = true,