korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-28 22:54:05 +08:00
Code Issues Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'spi/fix/img-spfi' into spi-linus

Browse Source
This commit is contained in:
Mark Brown 2015-04-11 23:08:54 +01:00
commit 68a595c775
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/spi/spi-img-spfi.c
View File

@ -405,10 +405,10 @@ static void img_spfi_config(struct spi_master *master, struct spi_device *spi,
/*
* output = spfi_clk * (BITCLK / 512), where BITCLK must be a
* power of 2 up to 256 (where 255 == 256 since BITCLK is 8 bits)
* power of 2 up to 128
*/
div = DIV_ROUND_UP(master->max_speed_hz, xfer->speed_hz);
div = clamp(512 / (1 << get_count_order(div)), 1, 255);
div = DIV_ROUND_UP(clk_get_rate(spfi->spfi_clk), xfer->speed_hz);
div = clamp(512 / (1 << get_count_order(div)), 1, 128);
val = spfi_readl(spfi, SPFI_DEVICE_PARAMETER(spi->chip_select));
val &= ~(SPFI_DEVICE_PARAMETER_BITCLK_MASK <<
@ -594,8 +594,8 @@ static int img_spfi_probe(struct platform_device *pdev)
master->num_chipselect = 5;
master->dev.of_node = pdev->dev.of_node;
master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(8);
master->max_speed_hz = clk_get_rate(spfi->spfi_clk);
master->min_speed_hz = master->max_speed_hz / 512;
master->max_speed_hz = clk_get_rate(spfi->spfi_clk) / 4;
master->min_speed_hz = clk_get_rate(spfi->spfi_clk) / 512;
master->set_cs = img_spfi_set_cs;
master->transfer_one = img_spfi_transfer_one;