add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/media/spi/cxd2880-spi.c
..
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@@ -10,6 +10,7 @@
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 #define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__
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 #include <linux/spi/spi.h>
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+#include <linux/regulator/consumer.h>
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 #include <linux/ktime.h>
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 #include <media/dvb_demux.h>
..
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@@ -51,6 +52,7 @@
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 	struct mutex spi_mutex; /* For SPI access exclusive control */
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 	int feed_count;
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 	int all_pid_feed_count;
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+	struct regulator *vcc_supply;
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 	u8 *ts_buf;
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 	struct cxd2880_pid_filter_config filter_config;
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 };
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@@ -518,6 +520,19 @@
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 	if (!dvb_spi)
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 		return -ENOMEM;
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+	dvb_spi->vcc_supply = devm_regulator_get_optional(&spi->dev, "vcc");
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+	if (IS_ERR(dvb_spi->vcc_supply)) {
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+		if (PTR_ERR(dvb_spi->vcc_supply) == -EPROBE_DEFER) {
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+			ret = -EPROBE_DEFER;
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+			goto fail_regulator;
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+		}
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+		dvb_spi->vcc_supply = NULL;
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+	} else {
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+		ret = regulator_enable(dvb_spi->vcc_supply);
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+		if (ret)
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+			goto fail_regulator;
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+	}
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+
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 	dvb_spi->spi = spi;
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 	mutex_init(&dvb_spi->spi_mutex);
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 	dev_set_drvdata(&spi->dev, dvb_spi);
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@@ -603,6 +618,9 @@
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 fail_attach:
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 	dvb_unregister_adapter(&dvb_spi->adapter);
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 fail_adapter:
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+	if (dvb_spi->vcc_supply)
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+		regulator_disable(dvb_spi->vcc_supply);
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+fail_regulator:
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 	kfree(dvb_spi);
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 	return ret;
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 }
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@@ -631,6 +649,9 @@
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 	dvb_frontend_detach(&dvb_spi->dvb_fe);
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 	dvb_unregister_adapter(&dvb_spi->adapter);
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+	if (dvb_spi->vcc_supply)
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+		regulator_disable(dvb_spi->vcc_supply);
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+
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 	kfree(dvb_spi);
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 	pr_info("cxd2880_spi remove ok.\n");
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