* [PATCH 1/3] dt-bindings: i2c: at91: cosmetic formatting of compatible list @ 2019-12-02 8:56 Eugen.Hristev 2019-12-02 8:56 ` [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 Eugen.Hristev ` (2 more replies) 0 siblings, 3 replies; 8+ messages in thread From: Eugen.Hristev @ 2019-12-02 8:56 UTC (permalink / raw) To: robh+dt, Ludovic.Desroches, wsa, linux-i2c, devicetree, linux-arm-kernel, linux-kernel, peda Cc: Codrin.Ciubotariu, Nicolas.Ferre, Eugen.Hristev From: Eugen Hristev <eugen.hristev@microchip.com> Format the list of compatibles with one compatible per line. Suggested-by: Peter Rosin <peda@axentia.se> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> --- Documentation/devicetree/bindings/i2c/i2c-at91.txt | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt index 2210f43..d35cd63 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt @@ -1,10 +1,16 @@ I2C for Atmel platforms Required properties : -- compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c", - "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c", - "atmel,at91sam9x5-i2c", "atmel,sama5d4-i2c", "atmel,sama5d2-i2c" or - "microchip,sam9x60-i2c" +- compatible : Must be one of: + "atmel,at91rm9200-i2c", + "atmel,at91sam9261-i2c", + "atmel,at91sam9260-i2c", + "atmel,at91sam9g20-i2c", + "atmel,at91sam9g10-i2c", + "atmel,at91sam9x5-i2c", + "atmel,sama5d4-i2c", + "atmel,sama5d2-i2c", + "microchip,sam9x60-i2c". - reg: physical base address of the controller and length of memory mapped region. - interrupts: interrupt number to the cpu. -- 2.7.4 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 2019-12-02 8:56 [PATCH 1/3] dt-bindings: i2c: at91: cosmetic formatting of compatible list Eugen.Hristev @ 2019-12-02 8:56 ` Eugen.Hristev 2019-12-02 9:01 ` [PATCH v2 2/3] i2c: at91: fix clk_offset for sam9x60 Eugen.Hristev 2019-12-06 16:58 ` [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 Codrin.Ciubotariu 2019-12-02 8:56 ` [PATCH 3/3] i2c: at91: remote default value initialization Eugen.Hristev 2019-12-03 6:57 ` [PATCH 1/3] dt-bindings: i2c: at91: cosmetic formatting of compatible list Ludovic Desroches 2 siblings, 2 replies; 8+ messages in thread From: Eugen.Hristev @ 2019-12-02 8:56 UTC (permalink / raw) To: robh+dt, Ludovic.Desroches, wsa, linux-i2c, devicetree, linux-arm-kernel, linux-kernel, peda Cc: Codrin.Ciubotariu, Nicolas.Ferre, Eugen.Hristev 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> --- 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 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v2 2/3] i2c: at91: fix clk_offset for sam9x60 2019-12-02 8:56 ` [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 Eugen.Hristev @ 2019-12-02 9:01 ` Eugen.Hristev 2019-12-03 7:01 ` Ludovic Desroches 2019-12-06 16:58 ` [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 Codrin.Ciubotariu 1 sibling, 1 reply; 8+ messages in thread From: Eugen.Hristev @ 2019-12-02 9:01 UTC (permalink / raw) To: robh+dt, Ludovic.Desroches, wsa, linux-i2c, devicetree, linux-arm-kernel, linux-kernel, peda Cc: Codrin.Ciubotariu, Nicolas.Ferre, Eugen.Hristev 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(-) 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 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH v2 2/3] i2c: at91: fix clk_offset for sam9x60 2019-12-02 9:01 ` [PATCH v2 2/3] i2c: at91: fix clk_offset for sam9x60 Eugen.Hristev @ 2019-12-03 7:01 ` Ludovic Desroches 0 siblings, 0 replies; 8+ messages in thread From: Ludovic Desroches @ 2019-12-03 7:01 UTC (permalink / raw) To: Eugen Hristev - M18282 Cc: robh+dt, wsa, linux-i2c, devicetree, linux-arm-kernel, linux-kernel, peda, Codrin Ciubotariu - M19940, Nicolas Ferre - M43238 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 > ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 2019-12-02 8:56 ` [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 Eugen.Hristev 2019-12-02 9:01 ` [PATCH v2 2/3] i2c: at91: fix clk_offset for sam9x60 Eugen.Hristev @ 2019-12-06 16:58 ` Codrin.Ciubotariu 1 sibling, 0 replies; 8+ messages in thread From: Codrin.Ciubotariu @ 2019-12-06 16:58 UTC (permalink / raw) To: Eugen.Hristev, robh+dt, Ludovic.Desroches, wsa, linux-i2c, devicetree, linux-arm-kernel, linux-kernel, peda Cc: Nicolas.Ferre On 02.12.2019 10:56, Eugen Hristev - M18282 wrote: > 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> Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> Thanks! Best regards, Codrin > --- > 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, > ^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH 3/3] i2c: at91: remote default value initialization 2019-12-02 8:56 [PATCH 1/3] dt-bindings: i2c: at91: cosmetic formatting of compatible list Eugen.Hristev 2019-12-02 8:56 ` [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 Eugen.Hristev @ 2019-12-02 8:56 ` Eugen.Hristev 2019-12-03 7:13 ` Ludovic Desroches 2019-12-03 6:57 ` [PATCH 1/3] dt-bindings: i2c: at91: cosmetic formatting of compatible list Ludovic Desroches 2 siblings, 1 reply; 8+ messages in thread From: Eugen.Hristev @ 2019-12-02 8:56 UTC (permalink / raw) To: robh+dt, Ludovic.Desroches, wsa, linux-i2c, devicetree, linux-arm-kernel, linux-kernel, peda Cc: Codrin.Ciubotariu, Nicolas.Ferre, Eugen.Hristev From: Eugen Hristev <eugen.hristev@microchip.com> Platform data structs are initialized by default with zero values. Thus it becomes redundant to initialize them manually to zero (false). Remove extra false initialization for field members in structs. Suggested-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> --- drivers/i2c/busses/i2c-at91-core.c | 39 -------------------------------------- 1 file changed, 39 deletions(-) diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c index 5137e62..3da1a8a 100644 --- a/drivers/i2c/busses/i2c-at91-core.c +++ b/drivers/i2c/busses/i2c-at91-core.c @@ -66,55 +66,26 @@ static struct at91_twi_pdata at91rm9200_config = { .clk_max_div = 5, .clk_offset = 3, .has_unre_flag = true, - .has_alt_cmd = false, - .has_hold_field = false, - .has_dig_filtr = false, - .has_adv_dig_filtr = false, - .has_ana_filtr = false, }; static struct at91_twi_pdata at91sam9261_config = { .clk_max_div = 5, .clk_offset = 4, - .has_unre_flag = false, - .has_alt_cmd = false, - .has_hold_field = false, - .has_dig_filtr = false, - .has_adv_dig_filtr = false, - .has_ana_filtr = false, }; static struct at91_twi_pdata at91sam9260_config = { .clk_max_div = 7, .clk_offset = 4, - .has_unre_flag = false, - .has_alt_cmd = false, - .has_hold_field = false, - .has_dig_filtr = false, - .has_adv_dig_filtr = false, - .has_ana_filtr = false, }; static struct at91_twi_pdata at91sam9g20_config = { .clk_max_div = 7, .clk_offset = 4, - .has_unre_flag = false, - .has_alt_cmd = false, - .has_hold_field = false, - .has_dig_filtr = false, - .has_adv_dig_filtr = false, - .has_ana_filtr = false, }; static struct at91_twi_pdata at91sam9g10_config = { .clk_max_div = 7, .clk_offset = 4, - .has_unre_flag = false, - .has_alt_cmd = false, - .has_hold_field = false, - .has_dig_filtr = false, - .has_adv_dig_filtr = false, - .has_ana_filtr = false, }; static const struct platform_device_id at91_twi_devtypes[] = { @@ -142,23 +113,13 @@ static const struct platform_device_id at91_twi_devtypes[] = { static struct at91_twi_pdata at91sam9x5_config = { .clk_max_div = 7, .clk_offset = 4, - .has_unre_flag = false, - .has_alt_cmd = false, - .has_hold_field = false, - .has_dig_filtr = false, - .has_adv_dig_filtr = false, - .has_ana_filtr = false, }; static struct at91_twi_pdata sama5d4_config = { .clk_max_div = 7, .clk_offset = 4, - .has_unre_flag = false, - .has_alt_cmd = false, .has_hold_field = true, .has_dig_filtr = true, - .has_adv_dig_filtr = false, - .has_ana_filtr = false, }; static struct at91_twi_pdata sama5d2_config = { -- 2.7.4 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH 3/3] i2c: at91: remote default value initialization 2019-12-02 8:56 ` [PATCH 3/3] i2c: at91: remote default value initialization Eugen.Hristev @ 2019-12-03 7:13 ` Ludovic Desroches 0 siblings, 0 replies; 8+ messages in thread From: Ludovic Desroches @ 2019-12-03 7:13 UTC (permalink / raw) To: Eugen Hristev - M18282 Cc: robh+dt, wsa, linux-i2c, devicetree, linux-arm-kernel, linux-kernel, peda, Codrin Ciubotariu - M19940, Nicolas Ferre - M43238 On Mon, Dec 02, 2019 at 09:56:41AM +0100, Eugen Hristev - M18282 wrote: > From: Eugen Hristev <eugen.hristev@microchip.com> > > Platform data structs are initialized by default with zero values. > Thus it becomes redundant to initialize them manually to zero (false). > Remove extra false initialization for field members in structs. > > Suggested-by: Wolfram Sang <wsa@the-dreams.de> > Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> Honestly, I prefer an explicit description than saving lines of code, in a glance you have all the details, don't need to go back to the structure definition. As it's a personal belief, I won't argue about it. Reviewed-by: Ludovic Desroches <ludovic.desroches@microchip.com> > --- > drivers/i2c/busses/i2c-at91-core.c | 39 -------------------------------------- > 1 file changed, 39 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c > index 5137e62..3da1a8a 100644 > --- a/drivers/i2c/busses/i2c-at91-core.c > +++ b/drivers/i2c/busses/i2c-at91-core.c > @@ -66,55 +66,26 @@ static struct at91_twi_pdata at91rm9200_config = { > .clk_max_div = 5, > .clk_offset = 3, > .has_unre_flag = true, > - .has_alt_cmd = false, > - .has_hold_field = false, > - .has_dig_filtr = false, > - .has_adv_dig_filtr = false, > - .has_ana_filtr = false, > }; > > static struct at91_twi_pdata at91sam9261_config = { > .clk_max_div = 5, > .clk_offset = 4, > - .has_unre_flag = false, > - .has_alt_cmd = false, > - .has_hold_field = false, > - .has_dig_filtr = false, > - .has_adv_dig_filtr = false, > - .has_ana_filtr = false, > }; > > static struct at91_twi_pdata at91sam9260_config = { > .clk_max_div = 7, > .clk_offset = 4, > - .has_unre_flag = false, > - .has_alt_cmd = false, > - .has_hold_field = false, > - .has_dig_filtr = false, > - .has_adv_dig_filtr = false, > - .has_ana_filtr = false, > }; > > static struct at91_twi_pdata at91sam9g20_config = { > .clk_max_div = 7, > .clk_offset = 4, > - .has_unre_flag = false, > - .has_alt_cmd = false, > - .has_hold_field = false, > - .has_dig_filtr = false, > - .has_adv_dig_filtr = false, > - .has_ana_filtr = false, > }; > > static struct at91_twi_pdata at91sam9g10_config = { > .clk_max_div = 7, > .clk_offset = 4, > - .has_unre_flag = false, > - .has_alt_cmd = false, > - .has_hold_field = false, > - .has_dig_filtr = false, > - .has_adv_dig_filtr = false, > - .has_ana_filtr = false, > }; > > static const struct platform_device_id at91_twi_devtypes[] = { > @@ -142,23 +113,13 @@ static const struct platform_device_id at91_twi_devtypes[] = { > static struct at91_twi_pdata at91sam9x5_config = { > .clk_max_div = 7, > .clk_offset = 4, > - .has_unre_flag = false, > - .has_alt_cmd = false, > - .has_hold_field = false, > - .has_dig_filtr = false, > - .has_adv_dig_filtr = false, > - .has_ana_filtr = false, > }; > > static struct at91_twi_pdata sama5d4_config = { > .clk_max_div = 7, > .clk_offset = 4, > - .has_unre_flag = false, > - .has_alt_cmd = false, > .has_hold_field = true, > .has_dig_filtr = true, > - .has_adv_dig_filtr = false, > - .has_ana_filtr = false, > }; > > static struct at91_twi_pdata sama5d2_config = { > -- > 2.7.4 > ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH 1/3] dt-bindings: i2c: at91: cosmetic formatting of compatible list 2019-12-02 8:56 [PATCH 1/3] dt-bindings: i2c: at91: cosmetic formatting of compatible list Eugen.Hristev 2019-12-02 8:56 ` [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 Eugen.Hristev 2019-12-02 8:56 ` [PATCH 3/3] i2c: at91: remote default value initialization Eugen.Hristev @ 2019-12-03 6:57 ` Ludovic Desroches 2 siblings, 0 replies; 8+ messages in thread From: Ludovic Desroches @ 2019-12-03 6:57 UTC (permalink / raw) To: Eugen Hristev - M18282 Cc: robh+dt, wsa, linux-i2c, devicetree, linux-arm-kernel, linux-kernel, peda, Codrin Ciubotariu - M19940, Nicolas Ferre - M43238 On Mon, Dec 02, 2019 at 09:56:35AM +0100, Eugen Hristev - M18282 wrote: > From: Eugen Hristev <eugen.hristev@microchip.com> > > Format the list of compatibles with one compatible per line. > > Suggested-by: Peter Rosin <peda@axentia.se> > Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com> Thanks > --- > Documentation/devicetree/bindings/i2c/i2c-at91.txt | 14 ++++++++++---- > 1 file changed, 10 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt > index 2210f43..d35cd63 100644 > --- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt > +++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt > @@ -1,10 +1,16 @@ > I2C for Atmel platforms > > Required properties : > -- compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c", > - "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c", > - "atmel,at91sam9x5-i2c", "atmel,sama5d4-i2c", "atmel,sama5d2-i2c" or > - "microchip,sam9x60-i2c" > +- compatible : Must be one of: > + "atmel,at91rm9200-i2c", > + "atmel,at91sam9261-i2c", > + "atmel,at91sam9260-i2c", > + "atmel,at91sam9g20-i2c", > + "atmel,at91sam9g10-i2c", > + "atmel,at91sam9x5-i2c", > + "atmel,sama5d4-i2c", > + "atmel,sama5d2-i2c", > + "microchip,sam9x60-i2c". > - reg: physical base address of the controller and length of memory mapped > region. > - interrupts: interrupt number to the cpu. > -- > 2.7.4 > ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2019-12-06 16:59 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2019-12-02 8:56 [PATCH 1/3] dt-bindings: i2c: at91: cosmetic formatting of compatible list Eugen.Hristev 2019-12-02 8:56 ` [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 Eugen.Hristev 2019-12-02 9:01 ` [PATCH v2 2/3] i2c: at91: fix clk_offset for sam9x60 Eugen.Hristev 2019-12-03 7:01 ` Ludovic Desroches 2019-12-06 16:58 ` [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2 Codrin.Ciubotariu 2019-12-02 8:56 ` [PATCH 3/3] i2c: at91: remote default value initialization Eugen.Hristev 2019-12-03 7:13 ` Ludovic Desroches 2019-12-03 6:57 ` [PATCH 1/3] dt-bindings: i2c: at91: cosmetic formatting of compatible list Ludovic Desroches
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