add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/auxdisplay/hd44780.c
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@@ -14,8 +14,7 @@
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 #include <linux/property.h>
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 #include <linux/slab.h>
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-#include <misc/charlcd.h>
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-
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+#include "charlcd.h"
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 enum hd44780_pin {
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 	/* Order does matter due to writing to GPIO array subsets! */
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@@ -62,20 +61,15 @@
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 /* write to an LCD panel register in 8 bit GPIO mode */
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 static void hd44780_write_gpio8(struct hd44780 *hd, u8 val, unsigned int rs)
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 {
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-	int values[10];	/* for DATA[0-7], RS, RW */
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-	unsigned int i, n;
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+	DECLARE_BITMAP(values, 10); /* for DATA[0-7], RS, RW */
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+	unsigned int n;
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-	for (i = 0; i < 8; i++)
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-		values[PIN_DATA0 + i] = !!(val & BIT(i));
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-	values[PIN_CTRL_RS] = rs;
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-	n = 9;
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-	if (hd->pins[PIN_CTRL_RW]) {
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-		values[PIN_CTRL_RW] = 0;
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-		n++;
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-	}
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+	values[0] = val;
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+	__assign_bit(8, values, rs);
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+	n = hd->pins[PIN_CTRL_RW] ? 10 : 9;
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 	/* Present the data to the port */
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-	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA0], values);
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+	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA0], NULL, values);
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 	hd44780_strobe_gpio(hd);
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 }
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@@ -83,32 +77,25 @@
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 /* write to an LCD panel register in 4 bit GPIO mode */
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 static void hd44780_write_gpio4(struct hd44780 *hd, u8 val, unsigned int rs)
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 {
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-	int values[10];	/* for DATA[0-7], RS, RW, but DATA[0-3] is unused */
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-	unsigned int i, n;
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+	DECLARE_BITMAP(values, 6); /* for DATA[4-7], RS, RW */
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+	unsigned int n;
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 	/* High nibble + RS, RW */
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-	for (i = 4; i < 8; i++)
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-		values[PIN_DATA0 + i] = !!(val & BIT(i));
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-	values[PIN_CTRL_RS] = rs;
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-	n = 5;
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-	if (hd->pins[PIN_CTRL_RW]) {
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-		values[PIN_CTRL_RW] = 0;
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-		n++;
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-	}
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+	values[0] = val >> 4;
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+	__assign_bit(4, values, rs);
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+	n = hd->pins[PIN_CTRL_RW] ? 6 : 5;
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 	/* Present the data to the port */
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-	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA4],
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-				       &values[PIN_DATA4]);
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+	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA4], NULL, values);
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 	hd44780_strobe_gpio(hd);
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 	/* Low nibble */
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-	for (i = 0; i < 4; i++)
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-		values[PIN_DATA4 + i] = !!(val & BIT(i));
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+	values[0] &= ~0x0fUL;
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+	values[0] |= val & 0x0f;
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 	/* Present the data to the port */
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-	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA4],
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-				       &values[PIN_DATA4]);
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+	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA4], NULL, values);
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 	hd44780_strobe_gpio(hd);
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 }
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@@ -155,23 +142,16 @@
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 /* Send 4-bits of a command to the LCD panel in raw 4 bit GPIO mode */
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 static void hd44780_write_cmd_raw_gpio4(struct charlcd *lcd, int cmd)
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 {
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-	int values[10];	/* for DATA[0-7], RS, RW, but DATA[0-3] is unused */
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+	DECLARE_BITMAP(values, 6); /* for DATA[4-7], RS, RW */
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 	struct hd44780 *hd = lcd->drvdata;
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-	unsigned int i, n;
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+	unsigned int n;
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 	/* Command nibble + RS, RW */
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-	for (i = 0; i < 4; i++)
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-		values[PIN_DATA4 + i] = !!(cmd & BIT(i));
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-	values[PIN_CTRL_RS] = 0;
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-	n = 5;
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-	if (hd->pins[PIN_CTRL_RW]) {
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-		values[PIN_CTRL_RW] = 0;
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-		n++;
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-	}
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+	values[0] = cmd & 0x0f;
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+	n = hd->pins[PIN_CTRL_RW] ? 6 : 5;
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 	/* Present the data to the port */
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-	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA4],
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-				       &values[PIN_DATA4]);
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+	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA4], NULL, values);
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 	hd44780_strobe_gpio(hd);
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 }
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@@ -290,7 +270,7 @@
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 	return 0;
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 fail:
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-	kfree(lcd);
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+	charlcd_free(lcd);
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 	return ret;
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 }
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@@ -300,7 +280,7 @@
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 	charlcd_unregister(lcd);
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-	kfree(lcd);
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+	charlcd_free(lcd);
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 	return 0;
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 }
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