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spi: rzv2m-csi: Adopt HZ_PER_MHZ for max spi clock 

Make use of HZ_PER_MHZ for CSI_MAX_SPI_SCKO to make it clear
what its value means.

Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230715010407.1751715-3-fabrizio.castro.jz@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Fabrizio Castro 2023-07-15 02:03:59 +01:00 committed by Mark Brown
parent f572ba797c
commit 74e27ce8d2
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1 changed files with 2 additions and 1 deletions
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3
drivers/spi/spi-rzv2m-csi.c
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@ -13,6 +13,7 @@
#include <linux/platform_device.h>
#include <linux/reset.h>
#include <linux/spi/spi.h>
#include <linux/units.h>
/* Registers */
#define CSI_MODE 0x00 /* CSI mode control */
@ -71,7 +72,7 @@
#define TX_TIMEOUT_ERROR BIT(2)
#define RX_TIMEOUT_ERROR BIT(3)
#define CSI_MAX_SPI_SCKO 8000000
#define CSI_MAX_SPI_SCKO (8 * HZ_PER_MHZ)
struct rzv2m_csi_priv {
void __iomem *base;