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sh: sh7786: Remove unused sh7786_usb_use_exclock()

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arch/sh/kernel/cpu/sh4a/setup-sh7786.c:411:13: warning: no previous prototype for 'sh7786_usb_use_exclock' [-Wmissing-prototypes]

Upstream never had a user of sh7786_usb_use_exclock(), remove it.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/a87c6c0edcf81937b8eb2c899d286d82d71ad513.1709326528.git.geert+renesas@glider.be
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
This commit is contained in:
Geert Uytterhoeven 2024-03-01 22:02:28 +01:00 committed by John Paul Adrian Glaubitz
parent 84c046b27f
commit bbea7c81e9
1 changed files with 0 additions and 14 deletions
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14
arch/sh/kernel/cpu/sh4a/setup-sh7786.c
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@ -400,20 +400,6 @@ static struct platform_device *sh7786_devices[] __initdata = {
&usb_ohci_device,
};
/*
* Please call this function if your platform board
* use external clock for USB
* */
#define USBCTL0 0xffe70858
#define CLOCK_MODE_MASK 0xffffff7f
#define EXT_CLOCK_MODE 0x00000080
void __init sh7786_usb_use_exclock(void)
{
u32 val = __raw_readl(USBCTL0) & CLOCK_MODE_MASK;
__raw_writel(val | EXT_CLOCK_MODE, USBCTL0);
}
#define USBINITREG1 0xffe70094
#define USBINITREG2 0xffe7009c
#define USBINITVAL1 0x00ff0040