mfd: tmio: Sanitize comments

Reformat the comments to utilize the maximum line length and use single
line comments where appropriate. Remove superfluous comments, too.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240213220221.2380-13-wsa+renesas@sang-engineering.comSigned-off-by: Lee Jones <lee@kernel.org>

include/linux/mfd/tmio.h

@@ -5,23 +5,23 @@
 #include <linux/platform_device.h>
 #include <linux/types.h>
 
-/* tmio MMC platform flags */
+/* TMIO MMC platform flags */
+
 /*
- * Some controllers can support a 2-byte block size when the bus width
- * is configured in 4-bit mode.
+ * Some controllers can support a 2-byte block size when the bus width is
+ * configured in 4-bit mode.
  */
 #define TMIO_MMC_BLKSZ_2BYTES		BIT(1)
-/*
- * Some controllers can support SDIO IRQ signalling.
- */
+
+/* Some controllers can support SDIO IRQ signalling */
 #define TMIO_MMC_SDIO_IRQ		BIT(2)
 
 /* Some features are only available or tested on R-Car Gen2 or later */
 #define TMIO_MMC_MIN_RCAR2		BIT(3)
 
 /*
- * Some controllers require waiting for the SD bus to become
- * idle before writing to some registers.
+ * Some controllers require waiting for the SD bus to become idle before
+ * writing to some registers.
  */
 #define TMIO_MMC_HAS_IDLE_WAIT		BIT(4)
 
@@ -32,31 +32,21 @@
  */
 #define TMIO_MMC_USE_BUSY_TIMEOUT	BIT(5)
 
-/*
- * Some controllers have CMD12 automatically
- * issue/non-issue register
- */
+/* Some controllers have CMD12 automatically issue/non-issue register */
 #define TMIO_MMC_HAVE_CMD12_CTRL	BIT(7)
 
 /* Controller has some SDIO status bits which must be 1 */
 #define TMIO_MMC_SDIO_STATUS_SETBITS	BIT(8)
 
-/*
- * Some controllers have a 32-bit wide data port register
- */
+/* Some controllers have a 32-bit wide data port register */
 #define TMIO_MMC_32BIT_DATA_PORT	BIT(9)
 
-/*
- * Some controllers allows to set SDx actual clock
- */
+/* Some controllers allows to set SDx actual clock */
 #define TMIO_MMC_CLK_ACTUAL		BIT(10)
 
 /* Some controllers have a CBSY bit */
 #define TMIO_MMC_HAVE_CBSY		BIT(11)
 
-/*
- * data for the MMC controller
- */
 struct tmio_mmc_data {
 	void				*chan_priv_tx;
 	void				*chan_priv_rx;