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Date: Thu, 13 Feb 2014 10:11:13 +0000
From: Lee Jones <lee.jones@...aro.org>
To: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc: Sangbeom Kim <sbkim73@...sung.com>,
Samuel Ortiz <sameo@...ux.intel.com>,
linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
Kyungmin Park <kyungmin.park@...sung.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
Alessandro Zummo <a.zummo@...ertech.it>,
rtc-linux@...glegroups.com
Subject: Re: [PATCH v2 03/14] mfd/rtc: sec/s5m: Rename SEC* symbols to S5M
On Thu, 13 Feb 2014, Krzysztof Kozlowski wrote:
> This patch prepares for adding support for S2MPS14 RTC device to the
> rtc-s5m driver:
> 1. Renames SEC* symbols to S5M.
> 2. Adds S5M prefix to some of defines which are different between S5M876X
> and S2MPS14.
>
> This is only a rename-like patch, new code is not added.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> Cc: Alessandro Zummo <a.zummo@...ertech.it>
> Cc: rtc-linux@...glegroups.com
I Acked the MFD parts of this already.
> ---
> drivers/mfd/sec-core.c | 2 +-
> drivers/rtc/rtc-s5m.c | 64 ++++++++++++++++-----------------
> include/linux/mfd/samsung/rtc.h | 76 +++++++++++++++++++--------------------
> 3 files changed, 71 insertions(+), 71 deletions(-)
>
> diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
> index 0efa69e123ee..8504de82b7e0 100644
> --- a/drivers/mfd/sec-core.c
> +++ b/drivers/mfd/sec-core.c
> @@ -142,7 +142,7 @@ static const struct regmap_config sec_rtc_regmap_config = {
> .reg_bits = 8,
> .val_bits = 8,
>
> - .max_register = SEC_RTC_REG_MAX,
> + .max_register = S5M_RTC_REG_MAX,
> };
>
> #ifdef CONFIG_OF
> diff --git a/drivers/rtc/rtc-s5m.c b/drivers/rtc/rtc-s5m.c
> index 476af93543f6..d26e2480f8b3 100644
> --- a/drivers/rtc/rtc-s5m.c
> +++ b/drivers/rtc/rtc-s5m.c
> @@ -30,10 +30,10 @@
>
> /*
> * Maximum number of retries for checking changes in UDR field
> - * of SEC_RTC_UDR_CON register (to limit possible endless loop).
> + * of S5M_RTC_UDR_CON register (to limit possible endless loop).
> *
> * After writing to RTC registers (setting time or alarm) read the UDR field
> - * in SEC_RTC_UDR_CON register. UDR is auto-cleared when data have
> + * in S5M_RTC_UDR_CON register. UDR is auto-cleared when data have
> * been transferred.
> */
> #define UDR_READ_RETRY_CNT 5
> @@ -104,8 +104,8 @@ static inline int s5m8767_wait_for_udr_update(struct s5m_rtc_info *info)
> unsigned int data;
>
> do {
> - ret = regmap_read(info->regmap, SEC_RTC_UDR_CON, &data);
> - } while (--retry && (data & RTC_UDR_MASK) && !ret);
> + ret = regmap_read(info->regmap, S5M_RTC_UDR_CON, &data);
> + } while (--retry && (data & S5M_RTC_UDR_MASK) && !ret);
>
> if (!retry)
> dev_err(info->dev, "waiting for UDR update, reached max number of retries\n");
> @@ -118,16 +118,16 @@ static inline int s5m8767_rtc_set_time_reg(struct s5m_rtc_info *info)
> int ret;
> unsigned int data;
>
> - ret = regmap_read(info->regmap, SEC_RTC_UDR_CON, &data);
> + ret = regmap_read(info->regmap, S5M_RTC_UDR_CON, &data);
> if (ret < 0) {
> dev_err(info->dev, "failed to read update reg(%d)\n", ret);
> return ret;
> }
>
> - data |= RTC_TIME_EN_MASK;
> - data |= RTC_UDR_MASK;
> + data |= S5M_RTC_TIME_EN_MASK;
> + data |= S5M_RTC_UDR_MASK;
>
> - ret = regmap_write(info->regmap, SEC_RTC_UDR_CON, data);
> + ret = regmap_write(info->regmap, S5M_RTC_UDR_CON, data);
> if (ret < 0) {
> dev_err(info->dev, "failed to write update reg(%d)\n", ret);
> return ret;
> @@ -143,17 +143,17 @@ static inline int s5m8767_rtc_set_alarm_reg(struct s5m_rtc_info *info)
> int ret;
> unsigned int data;
>
> - ret = regmap_read(info->regmap, SEC_RTC_UDR_CON, &data);
> + ret = regmap_read(info->regmap, S5M_RTC_UDR_CON, &data);
> if (ret < 0) {
> dev_err(info->dev, "%s: fail to read update reg(%d)\n",
> __func__, ret);
> return ret;
> }
>
> - data &= ~RTC_TIME_EN_MASK;
> - data |= RTC_UDR_MASK;
> + data &= ~S5M_RTC_TIME_EN_MASK;
> + data |= S5M_RTC_UDR_MASK;
>
> - ret = regmap_write(info->regmap, SEC_RTC_UDR_CON, data);
> + ret = regmap_write(info->regmap, S5M_RTC_UDR_CON, data);
> if (ret < 0) {
> dev_err(info->dev, "%s: fail to write update reg(%d)\n",
> __func__, ret);
> @@ -203,7 +203,7 @@ static int s5m_rtc_read_time(struct device *dev, struct rtc_time *tm)
> u8 data[8];
> int ret;
>
> - ret = regmap_bulk_read(info->regmap, SEC_RTC_SEC, data, 8);
> + ret = regmap_bulk_read(info->regmap, S5M_RTC_SEC, data, 8);
> if (ret < 0)
> return ret;
>
> @@ -251,7 +251,7 @@ static int s5m_rtc_set_time(struct device *dev, struct rtc_time *tm)
> 1900 + tm->tm_year, 1 + tm->tm_mon, tm->tm_mday,
> tm->tm_hour, tm->tm_min, tm->tm_sec, tm->tm_wday);
>
> - ret = regmap_raw_write(info->regmap, SEC_RTC_SEC, data, 8);
> + ret = regmap_raw_write(info->regmap, S5M_RTC_SEC, data, 8);
> if (ret < 0)
> return ret;
>
> @@ -267,20 +267,20 @@ static int s5m_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
> unsigned int val;
> int ret, i;
>
> - ret = regmap_bulk_read(info->regmap, SEC_ALARM0_SEC, data, 8);
> + ret = regmap_bulk_read(info->regmap, S5M_ALARM0_SEC, data, 8);
> if (ret < 0)
> return ret;
>
> switch (info->device_type) {
> case S5M8763X:
> s5m8763_data_to_tm(data, &alrm->time);
> - ret = regmap_read(info->regmap, SEC_ALARM0_CONF, &val);
> + ret = regmap_read(info->regmap, S5M_ALARM0_CONF, &val);
> if (ret < 0)
> return ret;
>
> alrm->enabled = !!val;
>
> - ret = regmap_read(info->regmap, SEC_RTC_STATUS, &val);
> + ret = regmap_read(info->regmap, S5M_RTC_STATUS, &val);
> if (ret < 0)
> return ret;
>
> @@ -303,7 +303,7 @@ static int s5m_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
> }
>
> alrm->pending = 0;
> - ret = regmap_read(info->regmap, SEC_RTC_STATUS, &val);
> + ret = regmap_read(info->regmap, S5M_RTC_STATUS, &val);
> if (ret < 0)
> return ret;
> break;
> @@ -312,7 +312,7 @@ static int s5m_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
> return -EINVAL;
> }
>
> - if (val & ALARM0_STATUS)
> + if (val & S5M_ALARM0_STATUS)
> alrm->pending = 1;
> else
> alrm->pending = 0;
> @@ -326,7 +326,7 @@ static int s5m_rtc_stop_alarm(struct s5m_rtc_info *info)
> int ret, i;
> struct rtc_time tm;
>
> - ret = regmap_bulk_read(info->regmap, SEC_ALARM0_SEC, data, 8);
> + ret = regmap_bulk_read(info->regmap, S5M_ALARM0_SEC, data, 8);
> if (ret < 0)
> return ret;
>
> @@ -337,14 +337,14 @@ static int s5m_rtc_stop_alarm(struct s5m_rtc_info *info)
>
> switch (info->device_type) {
> case S5M8763X:
> - ret = regmap_write(info->regmap, SEC_ALARM0_CONF, 0);
> + ret = regmap_write(info->regmap, S5M_ALARM0_CONF, 0);
> break;
>
> case S5M8767X:
> for (i = 0; i < 7; i++)
> data[i] &= ~ALARM_ENABLE_MASK;
>
> - ret = regmap_raw_write(info->regmap, SEC_ALARM0_SEC, data, 8);
> + ret = regmap_raw_write(info->regmap, S5M_ALARM0_SEC, data, 8);
> if (ret < 0)
> return ret;
>
> @@ -366,7 +366,7 @@ static int s5m_rtc_start_alarm(struct s5m_rtc_info *info)
> u8 alarm0_conf;
> struct rtc_time tm;
>
> - ret = regmap_bulk_read(info->regmap, SEC_ALARM0_SEC, data, 8);
> + ret = regmap_bulk_read(info->regmap, S5M_ALARM0_SEC, data, 8);
> if (ret < 0)
> return ret;
>
> @@ -378,7 +378,7 @@ static int s5m_rtc_start_alarm(struct s5m_rtc_info *info)
> switch (info->device_type) {
> case S5M8763X:
> alarm0_conf = 0x77;
> - ret = regmap_write(info->regmap, SEC_ALARM0_CONF, alarm0_conf);
> + ret = regmap_write(info->regmap, S5M_ALARM0_CONF, alarm0_conf);
> break;
>
> case S5M8767X:
> @@ -393,7 +393,7 @@ static int s5m_rtc_start_alarm(struct s5m_rtc_info *info)
> if (data[RTC_YEAR1] & 0x7f)
> data[RTC_YEAR1] |= ALARM_ENABLE_MASK;
>
> - ret = regmap_raw_write(info->regmap, SEC_ALARM0_SEC, data, 8);
> + ret = regmap_raw_write(info->regmap, S5M_ALARM0_SEC, data, 8);
> if (ret < 0)
> return ret;
> ret = s5m8767_rtc_set_alarm_reg(info);
> @@ -435,7 +435,7 @@ static int s5m_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
> if (ret < 0)
> return ret;
>
> - ret = regmap_raw_write(info->regmap, SEC_ALARM0_SEC, data, 8);
> + ret = regmap_raw_write(info->regmap, S5M_ALARM0_SEC, data, 8);
> if (ret < 0)
> return ret;
>
> @@ -480,7 +480,7 @@ static const struct rtc_class_ops s5m_rtc_ops = {
> static void s5m_rtc_enable_wtsr(struct s5m_rtc_info *info, bool enable)
> {
> int ret;
> - ret = regmap_update_bits(info->regmap, SEC_WTSR_SMPL_CNTL,
> + ret = regmap_update_bits(info->regmap, S5M_WTSR_SMPL_CNTL,
> WTSR_ENABLE_MASK,
> enable ? WTSR_ENABLE_MASK : 0);
> if (ret < 0)
> @@ -491,7 +491,7 @@ static void s5m_rtc_enable_wtsr(struct s5m_rtc_info *info, bool enable)
> static void s5m_rtc_enable_smpl(struct s5m_rtc_info *info, bool enable)
> {
> int ret;
> - ret = regmap_update_bits(info->regmap, SEC_WTSR_SMPL_CNTL,
> + ret = regmap_update_bits(info->regmap, S5M_WTSR_SMPL_CNTL,
> SMPL_ENABLE_MASK,
> enable ? SMPL_ENABLE_MASK : 0);
> if (ret < 0)
> @@ -506,7 +506,7 @@ static int s5m8767_rtc_init_reg(struct s5m_rtc_info *info)
> int ret;
> struct rtc_time tm;
>
> - ret = regmap_read(info->regmap, SEC_RTC_UDR_CON, &tp_read);
> + ret = regmap_read(info->regmap, S5M_RTC_UDR_CON, &tp_read);
> if (ret < 0) {
> dev_err(info->dev, "%s: fail to read control reg(%d)\n",
> __func__, ret);
> @@ -518,7 +518,7 @@ static int s5m8767_rtc_init_reg(struct s5m_rtc_info *info)
> data[1] = (0 << BCD_EN_SHIFT) | (1 << MODEL24_SHIFT);
>
> info->rtc_24hr_mode = 1;
> - ret = regmap_raw_write(info->regmap, SEC_ALARM0_CONF, data, 2);
> + ret = regmap_raw_write(info->regmap, S5M_ALARM0_CONF, data, 2);
> if (ret < 0) {
> dev_err(info->dev, "%s: fail to write controlm reg(%d)\n",
> __func__, ret);
> @@ -540,7 +540,7 @@ static int s5m8767_rtc_init_reg(struct s5m_rtc_info *info)
> ret = s5m_rtc_set_time(info->dev, &tm);
> }
>
> - ret = regmap_update_bits(info->regmap, SEC_RTC_UDR_CON,
> + ret = regmap_update_bits(info->regmap, S5M_RTC_UDR_CON,
> RTC_TCON_MASK, tp_read | RTC_TCON_MASK);
> if (ret < 0)
> dev_err(info->dev, "%s: fail to update TCON reg(%d)\n",
> @@ -623,7 +623,7 @@ static void s5m_rtc_shutdown(struct platform_device *pdev)
> if (info->wtsr_smpl) {
> for (i = 0; i < 3; i++) {
> s5m_rtc_enable_wtsr(info, false);
> - regmap_read(info->regmap, SEC_WTSR_SMPL_CNTL, &val);
> + regmap_read(info->regmap, S5M_WTSR_SMPL_CNTL, &val);
> pr_debug("%s: WTSR_SMPL reg(0x%02x)\n", __func__, val);
> if (val & WTSR_ENABLE_MASK)
> pr_emerg("%s: fail to disable WTSR\n",
> diff --git a/include/linux/mfd/samsung/rtc.h b/include/linux/mfd/samsung/rtc.h
> index 4627f59ebd84..bdf0573891d0 100644
> --- a/include/linux/mfd/samsung/rtc.h
> +++ b/include/linux/mfd/samsung/rtc.h
> @@ -13,38 +13,38 @@
> #ifndef __LINUX_MFD_SEC_RTC_H
> #define __LINUX_MFD_SEC_RTC_H
>
> -enum sec_rtc_reg {
> - SEC_RTC_SEC,
> - SEC_RTC_MIN,
> - SEC_RTC_HOUR,
> - SEC_RTC_WEEKDAY,
> - SEC_RTC_DATE,
> - SEC_RTC_MONTH,
> - SEC_RTC_YEAR1,
> - SEC_RTC_YEAR2,
> - SEC_ALARM0_SEC,
> - SEC_ALARM0_MIN,
> - SEC_ALARM0_HOUR,
> - SEC_ALARM0_WEEKDAY,
> - SEC_ALARM0_DATE,
> - SEC_ALARM0_MONTH,
> - SEC_ALARM0_YEAR1,
> - SEC_ALARM0_YEAR2,
> - SEC_ALARM1_SEC,
> - SEC_ALARM1_MIN,
> - SEC_ALARM1_HOUR,
> - SEC_ALARM1_WEEKDAY,
> - SEC_ALARM1_DATE,
> - SEC_ALARM1_MONTH,
> - SEC_ALARM1_YEAR1,
> - SEC_ALARM1_YEAR2,
> - SEC_ALARM0_CONF,
> - SEC_ALARM1_CONF,
> - SEC_RTC_STATUS,
> - SEC_WTSR_SMPL_CNTL,
> - SEC_RTC_UDR_CON,
> +enum s5m_rtc_reg {
> + S5M_RTC_SEC,
> + S5M_RTC_MIN,
> + S5M_RTC_HOUR,
> + S5M_RTC_WEEKDAY,
> + S5M_RTC_DATE,
> + S5M_RTC_MONTH,
> + S5M_RTC_YEAR1,
> + S5M_RTC_YEAR2,
> + S5M_ALARM0_SEC,
> + S5M_ALARM0_MIN,
> + S5M_ALARM0_HOUR,
> + S5M_ALARM0_WEEKDAY,
> + S5M_ALARM0_DATE,
> + S5M_ALARM0_MONTH,
> + S5M_ALARM0_YEAR1,
> + S5M_ALARM0_YEAR2,
> + S5M_ALARM1_SEC,
> + S5M_ALARM1_MIN,
> + S5M_ALARM1_HOUR,
> + S5M_ALARM1_WEEKDAY,
> + S5M_ALARM1_DATE,
> + S5M_ALARM1_MONTH,
> + S5M_ALARM1_YEAR1,
> + S5M_ALARM1_YEAR2,
> + S5M_ALARM0_CONF,
> + S5M_ALARM1_CONF,
> + S5M_RTC_STATUS,
> + S5M_WTSR_SMPL_CNTL,
> + S5M_RTC_UDR_CON,
>
> - SEC_RTC_REG_MAX,
> + S5M_RTC_REG_MAX,
> };
>
> #define RTC_I2C_ADDR (0x0C >> 1)
> @@ -52,9 +52,9 @@ enum sec_rtc_reg {
> #define HOUR_12 (1 << 7)
> #define HOUR_AMPM (1 << 6)
> #define HOUR_PM (1 << 5)
> -#define ALARM0_STATUS (1 << 1)
> -#define ALARM1_STATUS (1 << 2)
> -#define UPDATE_AD (1 << 0)
> +#define S5M_ALARM0_STATUS (1 << 1)
> +#define S5M_ALARM1_STATUS (1 << 2)
> +#define S5M_UPDATE_AD (1 << 0)
>
> /* RTC Control Register */
> #define BCD_EN_SHIFT 0
> @@ -62,12 +62,12 @@ enum sec_rtc_reg {
> #define MODEL24_SHIFT 1
> #define MODEL24_MASK (1 << MODEL24_SHIFT)
> /* RTC Update Register1 */
> -#define RTC_UDR_SHIFT 0
> -#define RTC_UDR_MASK (1 << RTC_UDR_SHIFT)
> +#define S5M_RTC_UDR_SHIFT 0
> +#define S5M_RTC_UDR_MASK (1 << S5M_RTC_UDR_SHIFT)
> #define RTC_TCON_SHIFT 1
> #define RTC_TCON_MASK (1 << RTC_TCON_SHIFT)
> -#define RTC_TIME_EN_SHIFT 3
> -#define RTC_TIME_EN_MASK (1 << RTC_TIME_EN_SHIFT)
> +#define S5M_RTC_TIME_EN_SHIFT 3
> +#define S5M_RTC_TIME_EN_MASK (1 << S5M_RTC_TIME_EN_SHIFT)
>
> /* RTC Hour register */
> #define HOUR_PM_SHIFT 6
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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