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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id j191-v6sm28630710pfc.136.2018.09.03.13.19.22 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 03 Sep 2018 13:19:23 -0700 (PDT) Date: Mon, 3 Sep 2018 13:23:17 -0700 From: Bjorn Andersson To: Amit Kucheria Cc: linux-kernel@vger.kernel.org, rnayak@codeaurora.org, linux-arm-msm@vger.kernel.org, edubezval@gmail.com, smohanad@codeaurora.org, andy.gross@linaro.org, dianders@chromium.org, mka@chromium.org, Zhang Rui , Daniel Lezcano , linux-pm@vger.kernel.org Subject: Re: [PATCH v2 06/11] thermal: tsens: Rename map field in order to add a second address map Message-ID: <20180903202317.GQ3456@tuxbook-pro> References: <9dd785eb1292e80e3ac4b52e1e4da431774c2211.1535462942.git.amit.kucheria@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9dd785eb1292e80e3ac4b52e1e4da431774c2211.1535462942.git.amit.kucheria@linaro.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 28 Aug 06:38 PDT 2018, Amit Kucheria wrote: > The TSENS driver currently only uses a limited set of registers from the TM > address space. So it was ok to map just that set of registers and call it > "map". > > We'd now like to map a second set: SROT registers to introduce new > functionality. Rename the "map" field to a more appropriate "tm_map". > > The 8960 doesn't have a clear split between TM and SROT registers. To avoid > complicating the data structure, it will switchover to using tm_map for its > maps. > > There is no functional change with this patch. > > Signed-off-by: Amit Kucheria > Reviewed-by: Matthias Kaehlcke Reviewed-by: Bjorn Andersson Regards, Bjorn > --- > drivers/thermal/qcom/tsens-8960.c | 30 ++++++++++++++--------------- > drivers/thermal/qcom/tsens-common.c | 17 ++++++++-------- > drivers/thermal/qcom/tsens-v2.c | 6 +++--- > drivers/thermal/qcom/tsens.h | 2 +- > 4 files changed, 27 insertions(+), 28 deletions(-) > > diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c > index 4af76de7dc2e..0f0adb302a7b 100644 > --- a/drivers/thermal/qcom/tsens-8960.c > +++ b/drivers/thermal/qcom/tsens-8960.c > @@ -60,7 +60,7 @@ static int suspend_8960(struct tsens_device *tmdev) > { > int ret; > unsigned int mask; > - struct regmap *map = tmdev->map; > + struct regmap *map = tmdev->tm_map; > > ret = regmap_read(map, THRESHOLD_ADDR, &tmdev->ctx.threshold); > if (ret) > @@ -85,7 +85,7 @@ static int suspend_8960(struct tsens_device *tmdev) > static int resume_8960(struct tsens_device *tmdev) > { > int ret; > - struct regmap *map = tmdev->map; > + struct regmap *map = tmdev->tm_map; > > ret = regmap_update_bits(map, CNTL_ADDR, SW_RST, SW_RST); > if (ret) > @@ -117,12 +117,12 @@ static int enable_8960(struct tsens_device *tmdev, int id) > int ret; > u32 reg, mask; > > - ret = regmap_read(tmdev->map, CNTL_ADDR, ®); > + ret = regmap_read(tmdev->tm_map, CNTL_ADDR, ®); > if (ret) > return ret; > > mask = BIT(id + SENSOR0_SHIFT); > - ret = regmap_write(tmdev->map, CNTL_ADDR, reg | SW_RST); > + ret = regmap_write(tmdev->tm_map, CNTL_ADDR, reg | SW_RST); > if (ret) > return ret; > > @@ -131,7 +131,7 @@ static int enable_8960(struct tsens_device *tmdev, int id) > else > reg |= mask | SLP_CLK_ENA_8660 | EN; > > - ret = regmap_write(tmdev->map, CNTL_ADDR, reg); > + ret = regmap_write(tmdev->tm_map, CNTL_ADDR, reg); > if (ret) > return ret; > > @@ -148,7 +148,7 @@ static void disable_8960(struct tsens_device *tmdev) > mask <<= SENSOR0_SHIFT; > mask |= EN; > > - ret = regmap_read(tmdev->map, CNTL_ADDR, ®_cntl); > + ret = regmap_read(tmdev->tm_map, CNTL_ADDR, ®_cntl); > if (ret) > return; > > @@ -159,7 +159,7 @@ static void disable_8960(struct tsens_device *tmdev) > else > reg_cntl &= ~SLP_CLK_ENA_8660; > > - regmap_write(tmdev->map, CNTL_ADDR, reg_cntl); > + regmap_write(tmdev->tm_map, CNTL_ADDR, reg_cntl); > } > > static int init_8960(struct tsens_device *tmdev) > @@ -167,8 +167,8 @@ static int init_8960(struct tsens_device *tmdev) > int ret, i; > u32 reg_cntl; > > - tmdev->map = dev_get_regmap(tmdev->dev, NULL); > - if (!tmdev->map) > + tmdev->tm_map = dev_get_regmap(tmdev->dev, NULL); > + if (!tmdev->tm_map) > return -ENODEV; > > /* > @@ -184,14 +184,14 @@ static int init_8960(struct tsens_device *tmdev) > } > > reg_cntl = SW_RST; > - ret = regmap_update_bits(tmdev->map, CNTL_ADDR, SW_RST, reg_cntl); > + ret = regmap_update_bits(tmdev->tm_map, CNTL_ADDR, SW_RST, reg_cntl); > if (ret) > return ret; > > if (tmdev->num_sensors > 1) { > reg_cntl |= SLP_CLK_ENA | (MEASURE_PERIOD << 18); > reg_cntl &= ~SW_RST; > - ret = regmap_update_bits(tmdev->map, CONFIG_ADDR, > + ret = regmap_update_bits(tmdev->tm_map, CONFIG_ADDR, > CONFIG_MASK, CONFIG); > } else { > reg_cntl |= SLP_CLK_ENA_8660 | (MEASURE_PERIOD << 16); > @@ -200,12 +200,12 @@ static int init_8960(struct tsens_device *tmdev) > } > > reg_cntl |= GENMASK(tmdev->num_sensors - 1, 0) << SENSOR0_SHIFT; > - ret = regmap_write(tmdev->map, CNTL_ADDR, reg_cntl); > + ret = regmap_write(tmdev->tm_map, CNTL_ADDR, reg_cntl); > if (ret) > return ret; > > reg_cntl |= EN; > - ret = regmap_write(tmdev->map, CNTL_ADDR, reg_cntl); > + ret = regmap_write(tmdev->tm_map, CNTL_ADDR, reg_cntl); > if (ret) > return ret; > > @@ -252,12 +252,12 @@ static int get_temp_8960(struct tsens_device *tmdev, int id, int *temp) > > timeout = jiffies + usecs_to_jiffies(TIMEOUT_US); > do { > - ret = regmap_read(tmdev->map, INT_STATUS_ADDR, &trdy); > + ret = regmap_read(tmdev->tm_map, INT_STATUS_ADDR, &trdy); > if (ret) > return ret; > if (!(trdy & TRDY_MASK)) > continue; > - ret = regmap_read(tmdev->map, s->status, &code); > + ret = regmap_read(tmdev->tm_map, s->status, &code); > if (ret) > return ret; > *temp = code_to_mdegC(code, s); > diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c > index 303e3fdaca98..0585084630b3 100644 > --- a/drivers/thermal/qcom/tsens-common.c > +++ b/drivers/thermal/qcom/tsens-common.c > @@ -99,8 +99,7 @@ int get_temp_common(struct tsens_device *tmdev, int id, int *temp) > int last_temp = 0, ret; > > status_reg = tmdev->tm_offset + STATUS_OFFSET + s->hw_id * SN_ADDR_OFFSET; > - ret = regmap_read(tmdev->map, status_reg, &code); > - > + ret = regmap_read(tmdev->tm_map, status_reg, &code); > if (ret) > return ret; > last_temp = code & SN_ST_TEMP_MASK; > @@ -118,7 +117,7 @@ static const struct regmap_config tsens_config = { > > int __init init_common(struct tsens_device *tmdev) > { > - void __iomem *base; > + void __iomem *tm_base; > struct resource *res; > struct platform_device *op = of_find_device_by_node(tmdev->dev->of_node); > > @@ -134,13 +133,13 @@ int __init init_common(struct tsens_device *tmdev) > } > > res = platform_get_resource(op, IORESOURCE_MEM, 0); > - base = devm_ioremap_resource(&op->dev, res); > - if (IS_ERR(base)) > - return PTR_ERR(base); > + tm_base = devm_ioremap_resource(&op->dev, res); > + if (IS_ERR(tm_base)) > + return PTR_ERR(tm_base); > > - tmdev->map = devm_regmap_init_mmio(tmdev->dev, base, &tsens_config); > - if (IS_ERR(tmdev->map)) > - return PTR_ERR(tmdev->map); > + tmdev->tm_map = devm_regmap_init_mmio(tmdev->dev, tm_base, &tsens_config); > + if (IS_ERR(tmdev->tm_map)) > + return PTR_ERR(tmdev->tm_map); > > return 0; > } > diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c > index 44da02f594ac..1bdef92e4521 100644 > --- a/drivers/thermal/qcom/tsens-v2.c > +++ b/drivers/thermal/qcom/tsens-v2.c > @@ -21,7 +21,7 @@ static int get_temp_tsens_v2(struct tsens_device *tmdev, int id, int *temp) > int ret; > > status_reg = tmdev->tm_offset + STATUS_OFFSET + s->hw_id * 4; > - ret = regmap_read(tmdev->map, status_reg, &code); > + ret = regmap_read(tmdev->tm_map, status_reg, &code); > if (ret) > return ret; > last_temp = code & LAST_TEMP_MASK; > @@ -29,7 +29,7 @@ static int get_temp_tsens_v2(struct tsens_device *tmdev, int id, int *temp) > goto done; > > /* Try a second time */ > - ret = regmap_read(tmdev->map, status_reg, &code); > + ret = regmap_read(tmdev->tm_map, status_reg, &code); > if (ret) > return ret; > if (code & STATUS_VALID_BIT) { > @@ -40,7 +40,7 @@ static int get_temp_tsens_v2(struct tsens_device *tmdev, int id, int *temp) > } > > /* Try a third/last time */ > - ret = regmap_read(tmdev->map, status_reg, &code); > + ret = regmap_read(tmdev->tm_map, status_reg, &code); > if (ret) > return ret; > if (code & STATUS_VALID_BIT) { > diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h > index 8207610f326a..58e98c4d3a8b 100644 > --- a/drivers/thermal/qcom/tsens.h > +++ b/drivers/thermal/qcom/tsens.h > @@ -69,7 +69,7 @@ struct tsens_context { > struct tsens_device { > struct device *dev; > u32 num_sensors; > - struct regmap *map; > + struct regmap *tm_map; > u32 tm_offset; > struct tsens_context ctx; > const struct tsens_ops *ops; > -- > 2.17.1 >