spi: hspi: fixup long delay time · bc2bfffc38 - Gogs

spi: hspi: fixup long delay time

Current HSPI driver is using msleep(20) on hspi_status_check_timeout(),
but it was too long delay for SPI device.
Bock-W board SPI access was too slow without this patch.
This patch uses udelay(10) for it.

Tested-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

Kuninori Morimoto 12 years ago

parent

f722406faa

commit

bc2bfffc38

1 changed files with 1 additions and 1 deletions

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							+ 1
							
							- 1
						
drivers/spi/spi-sh-hspi.c
							 
								View File
							
				@@ -89,7 +89,7 @@ static int hspi_status_check_timeout(struct hspi_priv *hspi, u32 mask, u32 val)
			
				 		if ((mask & hspi_read(hspi, SPSR)) == val)
			
				 			return 0;
			
				-		msleep(20);
			
				+		udelay(10);
			
				 	}
			
				 	dev_err(hspi->dev, "timeout\n");