From: Shubhrajyoti Datta <omaplinuxkernel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> To: balbi-l0cyMroinI0@public.gmane.org Cc: Shubhrajyoti D <shubhrajyoti-l0cyMroinI0@public.gmane.org>, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org, tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org, b-cousson-l0cyMroinI0@public.gmane.org, w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org Subject: Re: [PATCH 2/2] i2c: omap: use revision check for OMAP_I2C_FLAG_APPLY_ERRATA_I207 Date: Fri, 2 Nov 2012 16:49:36 +0530 [thread overview] Message-ID: <CAM=Q2cuUobzP97Fk1X5EGL1BbRxcpDbaqUa=jv4k4JN8NZLCJA@mail.gmail.com> (raw) In-Reply-To: <20121102110713.GC19493-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org> On Fri, Nov 2, 2012 at 4:37 PM, Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org> wrote: > On Fri, Nov 02, 2012 at 04:09:45PM +0530, Shubhrajyoti D wrote: >> The errata i207 is enabled for 2430 and 3xxx. Use the revision check >> to enable the erratum instead. >> >> Signed-off-by: Shubhrajyoti D <shubhrajyoti-l0cyMroinI0@public.gmane.org> > > very good. I haven't read the errata but from a code standpoint, it > looks good: > > Reviewed-by: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org> > Also I post to this the flag may be deleted. From: Shubhrajyoti D <shubhrajyoti-l0cyMroinI0@public.gmane.org> Date: Fri, 2 Nov 2012 16:34:08 +0530 Subject: [PATCH] ARM: i2c: omap: Remove the i207 errata flag The commit [i2c: omap: use revision check for OMAP_I2C_FLAG_APPLY_ERRATA_I207] uses the revision id instead of the flag. So the flag can be safely removed. Signed-off-by: Shubhrajyoti D <shubhrajyoti-l0cyMroinI0@public.gmane.org> --- arch/arm/mach-omap2/omap_hwmod_2430_data.c | 3 +-- arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 9 +++------ drivers/i2c/busses/i2c-omap.c | 3 +-- include/linux/i2c-omap.h | 1 - 4 files changed, 5 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index c455e41..b79ccf6 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -76,8 +76,7 @@ static struct omap_hwmod_class i2c_class = { static struct omap_i2c_dev_attr i2c_dev_attr = { .fifo_depth = 8, /* bytes */ - .flags = OMAP_I2C_FLAG_APPLY_ERRATA_I207 | - OMAP_I2C_FLAG_BUS_SHIFT_2 | + .flags = OMAP_I2C_FLAG_BUS_SHIFT_2 | OMAP_I2C_FLAG_FORCE_19200_INT_CLK, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index f67b7ee..943222c4 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -791,8 +791,7 @@ static struct omap_hwmod omap3xxx_dss_venc_hwmod = { /* I2C1 */ static struct omap_i2c_dev_attr i2c1_dev_attr = { .fifo_depth = 8, /* bytes */ - .flags = OMAP_I2C_FLAG_APPLY_ERRATA_I207 | - OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | + .flags = OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | OMAP_I2C_FLAG_BUS_SHIFT_2, }; @@ -818,8 +817,7 @@ static struct omap_hwmod omap3xxx_i2c1_hwmod = { /* I2C2 */ static struct omap_i2c_dev_attr i2c2_dev_attr = { .fifo_depth = 8, /* bytes */ - .flags = OMAP_I2C_FLAG_APPLY_ERRATA_I207 | - OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | + .flags = OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | OMAP_I2C_FLAG_BUS_SHIFT_2, }; @@ -845,8 +843,7 @@ static struct omap_hwmod omap3xxx_i2c2_hwmod = { /* I2C3 */ static struct omap_i2c_dev_attr i2c3_dev_attr = { .fifo_depth = 64, /* bytes */ - .flags = OMAP_I2C_FLAG_APPLY_ERRATA_I207 | - OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | + .flags = OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | OMAP_I2C_FLAG_BUS_SHIFT_2, }; diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index dd97c14..87970fa 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1029,8 +1029,7 @@ static const struct i2c_algorithm omap_i2c_algo = { #ifdef CONFIG_OF static struct omap_i2c_bus_platform_data omap3_pdata = { .rev = OMAP_I2C_IP_VERSION_1, - .flags = OMAP_I2C_FLAG_APPLY_ERRATA_I207 | - OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | + .flags = OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | OMAP_I2C_FLAG_BUS_SHIFT_2, }; diff --git a/include/linux/i2c-omap.h b/include/linux/i2c-omap.h index df804ba..5c88187 100644 --- a/include/linux/i2c-omap.h +++ b/include/linux/i2c-omap.h @@ -21,7 +21,6 @@ #define OMAP_I2C_FLAG_SIMPLE_CLOCK BIT(1) #define OMAP_I2C_FLAG_16BIT_DATA_REG BIT(2) #define OMAP_I2C_FLAG_RESET_REGS_POSTIDLE BIT(3) -#define OMAP_I2C_FLAG_APPLY_ERRATA_I207 BIT(4) #define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK BIT(5) #define OMAP_I2C_FLAG_FORCE_19200_INT_CLK BIT(6) /* how the CPU address bus must be translated for I2C unit access */ -- 1.7.5.4
WARNING: multiple messages have this Message-ID (diff)
From: omaplinuxkernel@gmail.com (Shubhrajyoti Datta) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/2] i2c: omap: use revision check for OMAP_I2C_FLAG_APPLY_ERRATA_I207 Date: Fri, 2 Nov 2012 16:49:36 +0530 [thread overview] Message-ID: <CAM=Q2cuUobzP97Fk1X5EGL1BbRxcpDbaqUa=jv4k4JN8NZLCJA@mail.gmail.com> (raw) In-Reply-To: <20121102110713.GC19493@arwen.pp.htv.fi> On Fri, Nov 2, 2012 at 4:37 PM, Felipe Balbi <balbi@ti.com> wrote: > On Fri, Nov 02, 2012 at 04:09:45PM +0530, Shubhrajyoti D wrote: >> The errata i207 is enabled for 2430 and 3xxx. Use the revision check >> to enable the erratum instead. >> >> Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> > > very good. I haven't read the errata but from a code standpoint, it > looks good: > > Reviewed-by: Felipe Balbi <balbi@ti.com> > Also I post to this the flag may be deleted. From: Shubhrajyoti D <shubhrajyoti@ti.com> Date: Fri, 2 Nov 2012 16:34:08 +0530 Subject: [PATCH] ARM: i2c: omap: Remove the i207 errata flag The commit [i2c: omap: use revision check for OMAP_I2C_FLAG_APPLY_ERRATA_I207] uses the revision id instead of the flag. So the flag can be safely removed. Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> --- arch/arm/mach-omap2/omap_hwmod_2430_data.c | 3 +-- arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 9 +++------ drivers/i2c/busses/i2c-omap.c | 3 +-- include/linux/i2c-omap.h | 1 - 4 files changed, 5 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index c455e41..b79ccf6 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -76,8 +76,7 @@ static struct omap_hwmod_class i2c_class = { static struct omap_i2c_dev_attr i2c_dev_attr = { .fifo_depth = 8, /* bytes */ - .flags = OMAP_I2C_FLAG_APPLY_ERRATA_I207 | - OMAP_I2C_FLAG_BUS_SHIFT_2 | + .flags = OMAP_I2C_FLAG_BUS_SHIFT_2 | OMAP_I2C_FLAG_FORCE_19200_INT_CLK, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index f67b7ee..943222c4 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -791,8 +791,7 @@ static struct omap_hwmod omap3xxx_dss_venc_hwmod = { /* I2C1 */ static struct omap_i2c_dev_attr i2c1_dev_attr = { .fifo_depth = 8, /* bytes */ - .flags = OMAP_I2C_FLAG_APPLY_ERRATA_I207 | - OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | + .flags = OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | OMAP_I2C_FLAG_BUS_SHIFT_2, }; @@ -818,8 +817,7 @@ static struct omap_hwmod omap3xxx_i2c1_hwmod = { /* I2C2 */ static struct omap_i2c_dev_attr i2c2_dev_attr = { .fifo_depth = 8, /* bytes */ - .flags = OMAP_I2C_FLAG_APPLY_ERRATA_I207 | - OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | + .flags = OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | OMAP_I2C_FLAG_BUS_SHIFT_2, }; @@ -845,8 +843,7 @@ static struct omap_hwmod omap3xxx_i2c2_hwmod = { /* I2C3 */ static struct omap_i2c_dev_attr i2c3_dev_attr = { .fifo_depth = 64, /* bytes */ - .flags = OMAP_I2C_FLAG_APPLY_ERRATA_I207 | - OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | + .flags = OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | OMAP_I2C_FLAG_BUS_SHIFT_2, }; diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index dd97c14..87970fa 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1029,8 +1029,7 @@ static const struct i2c_algorithm omap_i2c_algo = { #ifdef CONFIG_OF static struct omap_i2c_bus_platform_data omap3_pdata = { .rev = OMAP_I2C_IP_VERSION_1, - .flags = OMAP_I2C_FLAG_APPLY_ERRATA_I207 | - OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | + .flags = OMAP_I2C_FLAG_RESET_REGS_POSTIDLE | OMAP_I2C_FLAG_BUS_SHIFT_2, }; diff --git a/include/linux/i2c-omap.h b/include/linux/i2c-omap.h index df804ba..5c88187 100644 --- a/include/linux/i2c-omap.h +++ b/include/linux/i2c-omap.h @@ -21,7 +21,6 @@ #define OMAP_I2C_FLAG_SIMPLE_CLOCK BIT(1) #define OMAP_I2C_FLAG_16BIT_DATA_REG BIT(2) #define OMAP_I2C_FLAG_RESET_REGS_POSTIDLE BIT(3) -#define OMAP_I2C_FLAG_APPLY_ERRATA_I207 BIT(4) #define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK BIT(5) #define OMAP_I2C_FLAG_FORCE_19200_INT_CLK BIT(6) /* how the CPU address bus must be translated for I2C unit access */ -- 1.7.5.4
next prev parent reply other threads:[~2012-11-02 11:19 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-11-02 10:39 [PATCH 0/2] i2c: omap: revision register updates Shubhrajyoti D 2012-11-02 10:39 ` Shubhrajyoti D 2012-11-02 10:39 ` [PATCH 1/2] i2c: omap: Fix the revision register read Shubhrajyoti D 2012-11-02 10:39 ` Shubhrajyoti D [not found] ` <1351852785-16961-2-git-send-email-shubhrajyoti-l0cyMroinI0@public.gmane.org> 2012-11-02 11:06 ` Felipe Balbi 2012-11-02 11:06 ` Felipe Balbi 2012-11-02 11:24 ` Shubhrajyoti Datta 2012-11-02 11:24 ` Shubhrajyoti Datta 2012-11-02 10:39 ` [PATCH 2/2] i2c: omap: use revision check for OMAP_I2C_FLAG_APPLY_ERRATA_I207 Shubhrajyoti D 2012-11-02 10:39 ` Shubhrajyoti D [not found] ` <1351852785-16961-3-git-send-email-shubhrajyoti-l0cyMroinI0@public.gmane.org> 2012-11-02 11:07 ` Felipe Balbi 2012-11-02 11:07 ` Felipe Balbi [not found] ` <20121102110713.GC19493-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org> 2012-11-02 11:19 ` Shubhrajyoti Datta [this message] 2012-11-02 11:19 ` Shubhrajyoti Datta
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