From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Lezcano Subject: Re: [PATCH 01/18] thermal: exynos: fix setting rising_threshold for Exynos5433 Date: Mon, 30 Apr 2018 16:36:56 +0200 Message-ID: <20180430143656.GH11457@mai> References: <1524743493-28113-1-git-send-email-b.zolnierkie@samsung.com> <1524743493-28113-2-git-send-email-b.zolnierkie@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <1524743493-28113-2-git-send-email-b.zolnierkie@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: Bartlomiej Zolnierkiewicz Cc: Eduardo Valentin , Zhang Rui , linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-pm@vger.kernel.org On Thu, Apr 26, 2018 at 01:51:16PM +0200, Bartlomiej Zolnierkiewicz wrote: > Add missing clearing of the previous value when setting rising > temperature threshold. > > Signed-off-by: Bartlomiej Zolnierkiewicz > --- > drivers/thermal/samsung/exynos_tmu.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c > index cda716c..523d26e 100644 > --- a/drivers/thermal/samsung/exynos_tmu.c > +++ b/drivers/thermal/samsung/exynos_tmu.c > @@ -577,6 +577,7 @@ static int exynos5433_tmu_initialize(struct platform_device *pdev) > threshold_code = temp_to_code(data, temp); > > rising_threshold = readl(data->base + rising_reg_offset); > + rising_threshold &= ~(0xff << j * 8); > rising_threshold |= (threshold_code << j * 8); Bartlomiej, I see this code is duplicated all around the driver, so I can't blame you to fix it in the same way it is written today but this is not how to deal with fields in a register mapping. Can you fix it by adding correct macros with masks? -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog