From: Sylwester Nawrocki <s.nawrocki@samsung.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: devicetree@vger.kernel.org,
"linux-samsung-soc@vger.kernel.org"
<linux-samsung-soc@vger.kernel.org>,
linux-pm@vger.kernel.org, pankaj.dubey@samsung.com,
"Bartłomiej Żołnierkiewicz" <b.zolnierkie@samsung.com>,
linux-kernel@vger.kernel.org, robh+dt@kernel.org,
kgene@kernel.org, vireshk@kernel.org,
linux-arm-kernel@lists.infradead.org,
"Marek Szyprowski" <m.szyprowski@samsung.com>
Subject: Re: [PATCH v2 2/9] soc: samsung: Convert exynos-chipid driver to use the regmap API
Date: Thu, 8 Aug 2019 14:07:13 +0200 [thread overview]
Message-ID: <dc34402e-6e94-09e7-414d-10f87beb3e7c@samsung.com> (raw)
In-Reply-To: <CAJKOXPfLPjmjgX01UAyu_=7etUO1G7osMQDmyHVBNxF2Sdh=yA@mail.gmail.com>
On 7/23/19 15:01, Krzysztof Kozlowski wrote:
> On Thu, 18 Jul 2019 at 16:31, Sylwester Nawrocki <s.nawrocki@samsung.com> wrote:
>>
>> Convert the driver to use regmap API in order to allow other
>> drivers, like ASV, to access the CHIPID registers.
>>
>> This patch adds definition of selected CHIPID register offsets
>> and register bit fields for Exynos5422 SoC.
>>
>> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
>> diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exynos-chipid.c
>> index 78b123ee60c0..594b00488013 100644
>> --- a/drivers/soc/samsung/exynos-chipid.c
>> +++ b/drivers/soc/samsung/exynos-chipid.c
>> @@ -9,18 +9,16 @@
>> */
>> @@ -53,29 +51,24 @@ static const char * __init product_id_to_soc_id(unsigned int product_id)
>> int __init exynos_chipid_early_init(void)
>> {
>> + regmap = syscon_regmap_lookup_by_compatible("samsung,exynos4210-chipid");
>> + if (IS_ERR(regmap)) {
>> + pr_err("%s: failed to get regmap\n", __func__);
>
> Other places do not use __func__ prefix so make it consistent. Add it
> in patch #1?
I would rather drop the function name prefix here, there should be
no problem in finding those error messages with grep. I'll just make
the above log a bit more specific.
>> + return PTR_ERR(regmap);
>> }
>> diff --git a/include/linux/soc/samsung/exynos-chipid.h b/include/linux/soc/samsung/exynos-chipid.h
>> new file mode 100644
>> index 000000000000..25359d70d617
>> --- /dev/null
>> +++ b/include/linux/soc/samsung/exynos-chipid.h
>> @@ -0,0 +1,48 @@
>> +#define EXYNOS_CHIPID_REG_PRO_ID 0x00
>> + #define EXYNOS_SUBREV_MASK (0xf << 4)
>
> " #define" is unusual syntax. I think not used anywhere else. Stick to
> regular one.
Indeed it's almost not used anywhere, I will drop those leading spaces.
git grep "^\ #define" *.[ch] | wc -l
--
Regards,
Sylwester
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next prev parent reply other threads:[~2019-08-08 12:07 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190718143117eucas1p1e534b9075d10fbbbe427c66192205eb1@eucas1p1.samsung.com>
2019-07-18 14:30 ` [PATCH v2 0/9] Exynos Adaptive Supply Voltage support Sylwester Nawrocki
[not found] ` <CGME20190718143127eucas1p13b1e2c98d270140a87f09562ef46c9a3@eucas1p1.samsung.com>
2019-07-18 14:30 ` [PATCH v2 1/9] soc: samsung: Add exynos chipid driver support Sylwester Nawrocki
2019-07-23 12:57 ` Krzysztof Kozlowski
2019-07-23 14:10 ` Bartlomiej Zolnierkiewicz
2019-07-24 10:47 ` Krzysztof Kozlowski
2019-08-08 12:07 ` Sylwester Nawrocki
[not found] ` <CGME20190718143128eucas1p2677ae16d229dddcd9a0db8084f0da5cf@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 2/9] soc: samsung: Convert exynos-chipid driver to use the regmap API Sylwester Nawrocki
2019-07-23 13:01 ` Krzysztof Kozlowski
2019-08-08 12:07 ` Sylwester Nawrocki [this message]
[not found] ` <CGME20190718143130eucas1p26f2058f47eb2f4020e1ddbf1619d1ac8@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 3/9] soc: samsung: Add Exynos Adaptive Supply Voltage driver Sylwester Nawrocki
2019-07-23 13:38 ` Krzysztof Kozlowski
2019-08-08 12:07 ` Sylwester Nawrocki
2019-08-08 12:31 ` Krzysztof Kozlowski
2019-08-08 12:48 ` Robin Murphy
2019-08-08 13:14 ` Krzysztof Kozlowski
[not found] ` <CGME20190718143131eucas1p2e1afc9fe816fff52ee4d12e0979eeb4c@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 4/9] ARM: EXYNOS: enable exynos_chipid for ARCH_EXYNOS Sylwester Nawrocki
[not found] ` <CGME20190718143132eucas1p2afecae86f2ef17aa8a4a99df8ffa47d9@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 5/9] ARM64: " Sylwester Nawrocki
[not found] ` <CGME20190718143134eucas1p2aed09e2171d0d2d6b916dddac3637017@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 6/9] ARM: EXYNOS: Enable exynos-asv driver " Sylwester Nawrocki
[not found] ` <CGME20190718143135eucas1p2da5b7842b35327c60667064184619a9f@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 7/9] soc: samsung: Update the CHIP ID DT binding documentation Sylwester Nawrocki
[not found] ` <CGME20190718143136eucas1p2cedfe5ed5e8e6316e82b30a565dc4855@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 8/9] ARM: dts: Add "syscon" compatible string to chipid node Sylwester Nawrocki
[not found] ` <CGME20190718143138eucas1p127542c4cb8416cee9af6a95f4bc98366@eucas1p1.samsung.com>
2019-07-18 14:30 ` [PATCH v2 9/9] ARM: dts: Add samsung,asv-bin property for odroidxu3-lite Sylwester Nawrocki
2019-07-23 2:04 ` [PATCH v2 0/9] Exynos Adaptive Supply Voltage support Viresh Kumar
2019-07-24 13:10 ` Marek Szyprowski
2019-07-25 2:23 ` Viresh Kumar
2019-08-09 15:58 ` Sylwester Nawrocki
2019-08-19 9:09 ` Viresh Kumar
2019-08-19 10:06 ` Viresh Kumar
2019-08-19 11:16 ` Sylwester Nawrocki
2019-08-19 11:25 ` Viresh Kumar
2019-08-19 13:39 ` Sylwester Nawrocki
2019-08-20 3:01 ` Viresh Kumar
2019-08-20 9:03 ` Sylwester Nawrocki
2019-08-20 9:21 ` Viresh Kumar
2019-09-04 12:37 ` Sylwester Nawrocki
2019-09-05 5:01 ` Viresh Kumar
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