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From: Bjorn Andersson <bjorn@kryo.se>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Lina Iyer <lina.iyer@linaro.org>,
	Kevin Hilman <khilman@linaro.org>,
	Stephen Boyd <sboyd@codeaurora.org>,
	Kumar Gala <galak@codeaurora.org>,
	linux-arm-msm <linux-arm-msm@vger.kernel.org>,
	linux-pm@vger.kernel.org,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	lorenzo.pieralisi@arm.com, msivasub@codeaurora.org,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH v9 2/9] qcom: spm: Add Subsystem Power Manager driver
Date: Tue, 18 Nov 2014 11:39:47 -0800	[thread overview]
Message-ID: <CAJAp7OgjOiKNzPxBWYPNt15QCHqMd36w5xysRXRv_2iCMFrQZQ@mail.gmail.com> (raw)
In-Reply-To: <546A6962.9090801@linaro.org>

On Mon, Nov 17, 2014 at 1:32 PM, Daniel Lezcano
<daniel.lezcano@linaro.org> wrote:
> On 10/25/2014 01:40 AM, Lina Iyer wrote:
>
> Hi Lina,
>
> [ ... ]
>
>> +static inline void spm_register_write(struct spm_driver_data *drv,
>> +                                       enum spm_reg reg, u32 val)
>> +{
>> +       if (drv->reg_data->reg_offset[reg])
>> +               writel_relaxed(val, drv->reg_base +
>> +                               drv->reg_data->reg_offset[reg]);
>
>
> Why not use writel and don't use 'wmb' below ?
>

Hi Daniel,

writel() provides ordering before the write, not after. Please have a
look at the definition.

Regards,
Bjorn

  parent reply	other threads:[~2014-11-18 19:39 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-24 23:40 [PATCH v9 0/9] cpuidle driver for QCOM SoCs: 8064, 8074, 8084 Lina Iyer
2014-10-24 23:40 ` [PATCH v9 1/9] qcom: scm: scm_set_warm_boot_addr() to set the warmboot address Lina Iyer
2014-11-14  8:30   ` Daniel Lezcano
2014-11-14 16:33     ` Lina Iyer
2014-10-24 23:40 ` [PATCH v9 2/9] qcom: spm: Add Subsystem Power Manager driver Lina Iyer
2014-11-14 15:56   ` Daniel Lezcano
2014-11-19 17:43     ` Lina Iyer
2014-11-26 11:19       ` Daniel Lezcano
2014-11-26 15:20         ` Lina Iyer
2014-11-26 15:22           ` Lina Iyer
2014-11-14 22:46   ` Stephen Boyd
2014-11-18 16:56     ` Lina Iyer
2014-11-18 20:28       ` Stephen Boyd
2014-11-17 21:32   ` Daniel Lezcano
2014-11-18 18:00     ` Lina Iyer
2014-11-18 19:39     ` Bjorn Andersson [this message]
2014-11-26 18:04   ` Kevin Hilman
2014-11-26 21:25     ` Daniel Lezcano
2014-10-24 23:40 ` [PATCH v9 3/9] arm: dts: qcom: Add power-controller device node for 8974 Krait CPUs Lina Iyer
2014-10-24 23:40 ` [PATCH v9 4/9] arm: dts: qcom: Add power-controller device node for 8084 " Lina Iyer
2014-10-24 23:40 ` [PATCH v9 5/9] arm: dts: qcom: Update power-controller device node for 8064 " Lina Iyer
2014-10-24 23:40 ` [PATCH v9 6/9] qcom: cpuidle: Add cpuidle driver for QCOM cpus Lina Iyer
2014-11-16 21:20   ` Daniel Lezcano
2014-11-17 18:30     ` Lina Iyer
2014-11-17 17:39   ` Lorenzo Pieralisi
2014-11-17 22:15     ` Lina Iyer
2014-10-24 23:40 ` [PATCH v9 7/9] arm: dts: qcom: Add idle states device nodes for 8974 Lina Iyer
2014-10-24 23:40 ` [PATCH v9 8/9] arm: dts: qcom: Add idle states device nodes for 8084 Lina Iyer
2014-10-24 23:40 ` [PATCH v9 9/9] arm: dts: qcom: Add idle state device nodes for 8064 Lina Iyer
2014-10-27  9:15 ` [PATCH v9 0/9] cpuidle driver for QCOM SoCs: 8064, 8074, 8084 Ivan T. Ivanov
2014-10-27 14:45   ` Lina Iyer
2014-11-13 20:25 ` Lina Iyer

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