mci mxs: give functions a uniq mxs_mci_ namespace

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 61 insertions, 61 deletions

diff --git a/drivers/mci/mxs.c b/drivers/mci/mxs.c
index cc8600efbf..3eddd0960e 100644
--- a/drivers/mci/mxs.c
+++ b/drivers/mci/mxs.c
@@ -165,7 +165,7 @@
 # define HW_SSP_VERSION 0x130
 #endif
 
-struct stm_mci_host {
+struct mxs_mci_host {
 	unsigned	clock;	/* current clock speed in Hz ("0" if disabled) */
 	unsigned	index;
 #ifdef CONFIG_MCI_INFO
@@ -180,9 +180,9 @@ struct stm_mci_host {
  * @param hw_dev Host interface device instance
  * @return Unit's clock in [Hz]
  */
-static unsigned get_unit_clock(struct device_d *hw_dev)
+static unsigned mxs_mci_get_unit_clock(struct device_d *hw_dev)
 {
-	struct stm_mci_host *host_data = GET_HOST_DATA(hw_dev);
+	struct mxs_mci_host *host_data = GET_HOST_DATA(hw_dev);
 
 	return imx_get_sspclk(host_data->index);
 }
@@ -193,7 +193,7 @@ static unsigned get_unit_clock(struct device_d *hw_dev)
  * @param cmd Command description
  * @return Response bytes count, -EINVAL for unsupported response types
  */
-static int get_cards_response(struct device_d *hw_dev, struct mci_cmd *cmd)
+static int mxs_mci_get_cards_response(struct device_d *hw_dev, struct mci_cmd *cmd)
 {
 	switch (cmd->resp_type) {
 	case MMC_RSP_NONE:
@@ -222,7 +222,7 @@ static int get_cards_response(struct device_d *hw_dev, struct mci_cmd *cmd)
  *
  * Can also stop the clock to save power
  */
-static void finish_request(struct device_d *hw_dev)
+static void mxs_mci_finish_request(struct device_d *hw_dev)
 {
 	/* stop the engines (normaly already done) */
 	writel(SSP_CTRL0_RUN, hw_dev->map_base + HW_SSP_CTRL0 + 8);
@@ -233,7 +233,7 @@ static void finish_request(struct device_d *hw_dev)
  * @param status HW_SSP_STATUS's content
  * @return 0 if no error, negative values else
  */
-static int get_cmd_error(unsigned status)
+static int mxs_mci_get_cmd_error(unsigned status)
 {
 	if (status & SSP_STATUS_ERROR)
 		pr_debug("Status Reg reports %08X\n", status);
@@ -260,7 +260,7 @@ static int get_cmd_error(unsigned status)
  * @param hw_dev Host interface device instance
  * @param to Timeout value in MCI card's bus clocks
  */
-static void stm_setup_timout(struct device_d *hw_dev, unsigned to)
+static void mxs_mci_setup_timeout(struct device_d *hw_dev, unsigned to)
 {
 	uint32_t reg;
 
@@ -280,7 +280,7 @@ static void stm_setup_timout(struct device_d *hw_dev, unsigned to)
  * may fail whith high clock speeds. If you receive -EIO errors you can try
  * again with reduced clock speeds.
  */
-static int read_data(struct device_d *hw_dev, void *buffer, unsigned length)
+static int mxs_mci_read_data(struct device_d *hw_dev, void *buffer, unsigned length)
 {
 	uint32_t *p = buffer;
 
@@ -318,7 +318,7 @@ static int read_data(struct device_d *hw_dev, void *buffer, unsigned length)
  * may fail with high clock speeds. If you receive -EIO errors you can try
  * again with reduced clock speeds.
  */
-static int write_data(struct device_d *hw_dev, const void *buffer, unsigned length)
+static int mxs_mci_write_data(struct device_d *hw_dev, const void *buffer, unsigned length)
 {
 	const uint32_t *p = buffer;
 
@@ -349,7 +349,7 @@ static int write_data(struct device_d *hw_dev, const void *buffer, unsigned leng
  * @param data Data transfer description (might be NULL)
  * @return 0 on success
  */
-static int transfer_data(struct device_d *hw_dev, struct mci_data *data)
+static int mxs_mci_transfer_data(struct device_d *hw_dev, struct mci_data *data)
 {
 	/*
 	 * Everything is ready for the transaction now:
@@ -364,9 +364,9 @@ static int transfer_data(struct device_d *hw_dev, struct mci_data *data)
 		unsigned length = data->blocks * data->blocksize;
 
 		if (data->flags & MMC_DATA_READ)
-			return read_data(hw_dev, data->dest, length);
+			return mxs_mci_read_data(hw_dev, data->dest, length);
 		else
-			return write_data(hw_dev, data->src, length);
+			return mxs_mci_write_data(hw_dev, data->src, length);
 	}
 
 	return 0;
@@ -378,7 +378,7 @@ static int transfer_data(struct device_d *hw_dev, struct mci_data *data)
  * @param data_flags Data information (may be 0)
  * @return Corresponding setting for the SSP_CTRL0 register
  */
-static uint32_t prepare_transfer_setup(unsigned cmd_flags, unsigned data_flags)
+static uint32_t mxs_mci_prepare_transfer_setup(unsigned cmd_flags, unsigned data_flags)
 {
 	uint32_t reg = 0;
 
@@ -411,10 +411,10 @@ static uint32_t prepare_transfer_setup(unsigned cmd_flags, unsigned data_flags)
  * - "broadcast commands with response (BCR)"
  * - "addressed command (AC)" with response, but without data
  */
-static int stm_mci_std_cmds(struct device_d *hw_dev, struct mci_cmd *cmd)
+static int mxs_mci_std_cmds(struct device_d *hw_dev, struct mci_cmd *cmd)
 {
 	/* setup command and transfer parameters */
-	writel(prepare_transfer_setup(cmd->resp_type, 0) |
+	writel(mxs_mci_prepare_transfer_setup(cmd->resp_type, 0) |
 		SSP_CTRL0_ENABLE, hw_dev->map_base + HW_SSP_CTRL0);
 
 	/* prepare the command, when no response is expected add a few trailing clocks */
@@ -425,7 +425,7 @@ static int stm_mci_std_cmds(struct device_d *hw_dev, struct mci_cmd *cmd)
 	/* prepare command's arguments */
 	writel(cmd->cmdarg, hw_dev->map_base + HW_SSP_CMD1);
 
-	stm_setup_timout(hw_dev, 0xffff);
+	mxs_mci_setup_timeout(hw_dev, 0xffff);
 
 	/* start the transfer */
 	writel(SSP_CTRL0_RUN, hw_dev->map_base + HW_SSP_CTRL0 + 4);
@@ -435,9 +435,9 @@ static int stm_mci_std_cmds(struct device_d *hw_dev, struct mci_cmd *cmd)
 		;
 
 	if (cmd->resp_type & MMC_RSP_PRESENT)
-		get_cards_response(hw_dev, cmd);
+		mxs_mci_get_cards_response(hw_dev, cmd);
 
-	return get_cmd_error(readl(hw_dev->map_base + HW_SSP_STATUS));
+	return mxs_mci_get_cmd_error(readl(hw_dev->map_base + HW_SSP_STATUS));
 }
 
 /**
@@ -447,10 +447,10 @@ static int stm_mci_std_cmds(struct device_d *hw_dev, struct mci_cmd *cmd)
  * @param data The data information (buffer, direction aso.) May be NULL
  * @return 0 on success
  */
-static int stm_mci_adtc(struct device_d *hw_dev, struct mci_cmd *cmd,
+static int mxs_mci_adtc(struct device_d *hw_dev, struct mci_cmd *cmd,
 			struct mci_data *data)
 {
-	struct stm_mci_host *host_data = (struct stm_mci_host*)GET_HOST_DATA(hw_dev);
+	struct mxs_mci_host *host_data = (struct mxs_mci_host*)GET_HOST_DATA(hw_dev);
 	uint32_t xfer_cnt, log2blocksize, block_cnt;
 	int err;
 
@@ -465,7 +465,7 @@ static int stm_mci_adtc(struct device_d *hw_dev, struct mci_cmd *cmd,
 
 	/* setup command and transfer parameters */
 #ifdef CONFIG_ARCH_IMX23
-	writel(prepare_transfer_setup(cmd->resp_type, data != NULL ? data->flags : 0) |
+	writel(mxs_mci_prepare_transfer_setup(cmd->resp_type, data != NULL ? data->flags : 0) |
 		SSP_CTRL0_BUS_WIDTH(host_data->bus_width) |
 		(xfer_cnt != 0 ? SSP_CTRL0_DATA_XFER : 0) | /* command plus data */
 		SSP_CTRL0_ENABLE |
@@ -480,7 +480,7 @@ static int stm_mci_adtc(struct device_d *hw_dev, struct mci_cmd *cmd,
 		hw_dev->map_base + HW_SSP_CMD0);
 #endif
 #ifdef CONFIG_ARCH_IMX28
-	writel(prepare_transfer_setup(cmd->resp_type, data != NULL ? data->flags : 0) |
+	writel(mxs_mci_prepare_transfer_setup(cmd->resp_type, data != NULL ? data->flags : 0) |
 		SSP_CTRL0_BUS_WIDTH(host_data->bus_width) |
 		(xfer_cnt != 0 ? SSP_CTRL0_DATA_XFER : 0) | /* command plus data */
 		SSP_CTRL0_ENABLE,
@@ -499,9 +499,9 @@ static int stm_mci_adtc(struct device_d *hw_dev, struct mci_cmd *cmd,
 	/* prepare command's arguments */
 	writel(cmd->cmdarg, hw_dev->map_base + HW_SSP_CMD1);
 
-	stm_setup_timout(hw_dev, 0xffff);
+	mxs_mci_setup_timeout(hw_dev, 0xffff);
 
-	err = transfer_data(hw_dev, data);
+	err = mxs_mci_transfer_data(hw_dev, data);
 	if (err != 0) {
 		pr_debug(" Transfering data failed\n");
 		return err;
@@ -511,7 +511,7 @@ static int stm_mci_adtc(struct device_d *hw_dev, struct mci_cmd *cmd,
 	while (readl(hw_dev->map_base + HW_SSP_CTRL0) & SSP_CTRL0_RUN)
 		;
 
-	get_cards_response(hw_dev, cmd);
+	mxs_mci_get_cards_response(hw_dev, cmd);
 
 	return 0;
 }
@@ -537,7 +537,7 @@ static int stm_mci_adtc(struct device_d *hw_dev, struct mci_cmd *cmd,
  * @note Up to "SSP unit DIV" the outer world must care. This routine only
  * handles the "SSP DIV".
  */
-static unsigned setup_clock_speed(struct device_d *hw_dev, unsigned nc)
+static unsigned mxs_mci_setup_clock_speed(struct device_d *hw_dev, unsigned nc)
 {
 	unsigned ssp, div, rate, reg;
 
@@ -546,7 +546,7 @@ static unsigned setup_clock_speed(struct device_d *hw_dev, unsigned nc)
 		return 0;
 	}
 
-	ssp = get_unit_clock(hw_dev);
+	ssp = mxs_mci_get_unit_clock(hw_dev);
 
 	for (div = 2; div < 255; div += 2) {
 		rate = DIV_ROUND_CLOSEST(DIV_ROUND_CLOSEST(ssp, nc), div);
@@ -571,7 +571,7 @@ static unsigned setup_clock_speed(struct device_d *hw_dev, unsigned nc)
  *
  * This will reset everything in all registers of this unit! (FIXME)
  */
-static void stm_mci_reset(struct device_d *hw_dev)
+static void mxs_mci_reset(struct device_d *hw_dev)
 {
 	writel(SSP_CTRL0_SFTRST, hw_dev->map_base + HW_SSP_CTRL0 + 8);
 	while (readl(hw_dev->map_base + HW_SSP_CTRL0) & SSP_CTRL0_SFTRST)
@@ -586,21 +586,21 @@ static void stm_mci_reset(struct device_d *hw_dev)
  * @param mci_dev MCI device instance
  * @return 0 on success, negative value else
  */
-static int stm_mci_initialize(struct mci_host *mci_pdata, struct device_d *mci_dev)
+static int mxs_mci_initialize(struct mci_host *mci_pdata, struct device_d *mci_dev)
 {
 	struct device_d *hw_dev = mci_pdata->hw_dev;
 	struct mci_host *host = GET_MCI_PDATA(mci_dev);
-	struct stm_mci_host *host_data = (struct stm_mci_host*)GET_HOST_DATA(hw_dev);
+	struct mxs_mci_host *host_data = (struct mxs_mci_host*)GET_HOST_DATA(hw_dev);
 
 	/* enable the clock to this unit to be able to reset it */
 	writel(SSP_CTRL0_CLKGATE, hw_dev->map_base + HW_SSP_CTRL0 + 8);
 
 	/* reset the unit */
-	stm_mci_reset(hw_dev);
+	mxs_mci_reset(hw_dev);
 
 	/* restore the last settings */
-	host->clock = host_data->clock = setup_clock_speed(hw_dev, host->clock);
-	stm_setup_timout(hw_dev, 0xffff);
+	host->clock = host_data->clock = mxs_mci_setup_clock_speed(hw_dev, host->clock);
+	mxs_mci_setup_timeout(hw_dev, 0xffff);
 	writel(SSP_CTRL0_IGNORE_CRC |
 		SSP_CTRL0_BUS_WIDTH(host_data->bus_width),
 		hw_dev->map_base + HW_SSP_CTRL0);
@@ -618,18 +618,18 @@ static int stm_mci_initialize(struct mci_host *mci_pdata, struct device_d *mci_d
  * @param data The data to handle in the command (can be NULL)
  * @return 0 on success, negative value else
  */
-static int mci_request(struct mci_host *mci_pdata, struct mci_cmd *cmd,
+static int mxs_mci_request(struct mci_host *mci_pdata, struct mci_cmd *cmd,
 			struct mci_data *data)
 {
 	struct device_d *hw_dev = mci_pdata->hw_dev;
 	int rc;
 
 	if ((cmd->resp_type == 0) || (data == NULL))
-		rc = stm_mci_std_cmds(hw_dev, cmd);
+		rc = mxs_mci_std_cmds(hw_dev, cmd);
 	else
-		rc = stm_mci_adtc(hw_dev, cmd, data);	/* with response and data */
+		rc = mxs_mci_adtc(hw_dev, cmd, data);	/* with response and data */
 
-	finish_request(hw_dev);	/* TODO */
+	mxs_mci_finish_request(hw_dev);	/* TODO */
 	return rc;
 }
 
@@ -642,11 +642,11 @@ static int mci_request(struct mci_host *mci_pdata, struct mci_cmd *cmd,
  *
  * Drivers currently realized values are stored in MCI's platformdata
  */
-static void mci_set_ios(struct mci_host *mci_pdata, struct device_d *mci_dev,
+static void mxs_mci_set_ios(struct mci_host *mci_pdata, struct device_d *mci_dev,
 			unsigned bus_width, unsigned clock)
 {
 	struct device_d *hw_dev = mci_pdata->hw_dev;
-	struct stm_mci_host *host_data = (struct stm_mci_host*)GET_HOST_DATA(hw_dev);
+	struct mxs_mci_host *host_data = (struct mxs_mci_host*)GET_HOST_DATA(hw_dev);
 	struct mci_host *host = GET_MCI_PDATA(mci_dev);
 
 	switch (bus_width) {
@@ -664,7 +664,7 @@ static void mci_set_ios(struct mci_host *mci_pdata, struct device_d *mci_dev,
 		break;
 	}
 
-	host->clock = host_data->clock = setup_clock_speed(hw_dev, clock);
+	host->clock = host_data->clock = mxs_mci_setup_clock_speed(hw_dev, clock);
 	pr_debug("IO settings: bus width=%d, frequency=%u Hz\n", host->bus_width,
 			host->clock);
 }
@@ -674,9 +674,9 @@ static void mci_set_ios(struct mci_host *mci_pdata, struct device_d *mci_dev,
 #ifdef CONFIG_MCI_INFO
 const unsigned char bus_width[3] = { 1, 4, 8 };
 
-static void stm_info(struct device_d *hw_dev)
+static void mxs_mci_info(struct device_d *hw_dev)
 {
-	struct stm_mci_host *host_data = GET_HOST_DATA(hw_dev);
+	struct mxs_mci_host *host_data = GET_HOST_DATA(hw_dev);
 
 	printf(" Interface\n");
 	printf("  Min. bus clock: %u Hz\n", host_data->f_min);
@@ -687,10 +687,10 @@ static void stm_info(struct device_d *hw_dev)
 }
 #endif
 
-static int stm_mci_probe(struct device_d *hw_dev)
+static int mxs_mci_probe(struct device_d *hw_dev)
 {
-	struct stm_mci_platform_data *pd = hw_dev->platform_data;
-	struct stm_mci_host *host_data;
+	struct mxs_mci_platform_data *pd = hw_dev->platform_data;
+	struct mxs_mci_host *host_data;
 	struct mci_host *host;
 
 	if (hw_dev->platform_data == NULL) {
@@ -698,14 +698,14 @@ static int stm_mci_probe(struct device_d *hw_dev)
 		return -EINVAL;
 	}
 
-	host = xzalloc(sizeof(struct stm_mci_host) + sizeof(struct mci_host));
-	host_data = (struct stm_mci_host*)&host[1];
+	host = xzalloc(sizeof(struct mxs_mci_host) + sizeof(struct mci_host));
+	host_data = (struct mxs_mci_host*)&host[1];
 
 	hw_dev->priv = host_data;
 	host->hw_dev = hw_dev;
-	host->send_cmd = mci_request,
-	host->set_ios = mci_set_ios,
-	host->init = stm_mci_initialize,
+	host->send_cmd = mxs_mci_request,
+	host->set_ios = mxs_mci_set_ios,
+	host->init = mxs_mci_initialize,
 
 	/* feed forward the platform specific values */
 	host->voltages = pd->voltages;
@@ -735,20 +735,20 @@ static int stm_mci_probe(struct device_d *hw_dev)
 	}
 #endif
 	if (pd->f_min == 0) {
-		host->f_min = get_unit_clock(hw_dev) / 254 / 256;
+		host->f_min = mxs_mci_get_unit_clock(hw_dev) / 254 / 256;
 		pr_debug("Min. frequency is %u Hz\n", host->f_min);
 	} else {
 		host->f_min = pd->f_min;
 		pr_debug("Min. frequency is %u Hz, could be %u Hz\n",
-			host->f_min, get_unit_clock(hw_dev) / 254 / 256);
+			host->f_min, mxs_mci_get_unit_clock(hw_dev) / 254 / 256);
 	}
 	if (pd->f_max == 0) {
-		host->f_max = get_unit_clock(hw_dev) / 2 / 1;
+		host->f_max = mxs_mci_get_unit_clock(hw_dev) / 2 / 1;
 		pr_debug("Max. frequency is %u Hz\n", host->f_max);
 	} else {
 		host->f_max =  pd->f_max;
 		pr_debug("Max. frequency is %u Hz, could be %u Hz\n",
-			host->f_max, get_unit_clock(hw_dev) / 2 / 1);
+			host->f_max, mxs_mci_get_unit_clock(hw_dev) / 2 / 1);
 	}
 
 #ifdef CONFIG_MCI_INFO
@@ -759,18 +759,18 @@ static int stm_mci_probe(struct device_d *hw_dev)
 	return mci_register(host);
 }
 
-static struct driver_d stm_mci_driver = {
-        .name  = "stm_mci",
-        .probe = stm_mci_probe,
+static struct driver_d mxs_mci_driver = {
+        .name  = "mxs_mci",
+        .probe = mxs_mci_probe,
 #ifdef CONFIG_MCI_INFO
-	.info = stm_info,
+	.info = mxs_mci_info,
 #endif
 };
 
-static int stm_mci_init_driver(void)
+static int mxs_mci_init_driver(void)
 {
-        register_driver(&stm_mci_driver);
+        register_driver(&mxs_mci_driver);
         return 0;
 }
 
-device_initcall(stm_mci_init_driver);
+device_initcall(mxs_mci_init_driver);