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102c6df148
mtd_speedtest results:
page write speed
old new delta
DB120 209 KiB/s 226 KiB/s +8.13%
TL-WR1043ND v1 122 KiB/s 148 KiB/s +21.31%
TL-WR703N v1 153 KiB/s 194 KiB/s +26.80%
TL-MR3220 v1 130 KiB/s 156 KiB/s +20.00%
TL-WR2543ND v1 158 KiB/s 202 KiB/s +27.85%
TL-WR741ND v2 122 KiB/s 152 KiB/s +24.59%
ALFA AP96 229 KiB/s 260 KiB/s +13.54%
WNDR3700 202 KiB/s 223 KiB/s +10.40%
page read speed
old new delta
DB120 691 KiB/s 929 KiB/s +34.44%
TL-WR1043ND v1 372 KiB/s 754 KiB/s +102.69%
TL-WR703N v1 375 KiB/s 745 KiB/s +98.67%
TL-MR3220 v1 372 KiB/s 752 KiB/s +102.15%
TL-WR2543ND v1 307 KiB/s 564 KiB/s +83.71%
TL-WR741ND v2 315 KiB/s 525 KiB/s +66.67%
ALFA AP96 515 KiB/s 702 KiB/s +36.31%
WNDR3700 515 KiB/s 697 KiB/s +35.34%
SVN-Revision: 31117
57 lines
1.5 KiB
Diff
57 lines
1.5 KiB
Diff
From dd5b424b0b3f0370f9b63594ad53c16989b6ad78 Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Mon, 9 Jan 2012 15:04:21 +0100
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Subject: [PATCH 4/7] spi/ath79: use gpio_request_one
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Use gpio_request_one() instead of multiple gpiolib calls.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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---
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drivers/spi/spi-ath79.c | 26 +++++++++++++-------------
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1 files changed, 13 insertions(+), 13 deletions(-)
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--- a/drivers/spi/spi-ath79.c
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+++ b/drivers/spi/spi-ath79.c
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@@ -100,6 +100,7 @@ static int ath79_spi_setup_cs(struct spi
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{
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struct ath79_spi *sp = ath79_spidev_to_sp(spi);
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struct ath79_spi_controller_data *cdata;
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+ int status;
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cdata = spi->controller_data;
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if (spi->chip_select && !cdata)
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@@ -115,22 +116,21 @@ static int ath79_spi_setup_cs(struct spi
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/* TODO: setup speed? */
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ath79_spi_wr(sp, AR71XX_SPI_REG_CTRL, 0x43);
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+ status = 0;
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if (spi->chip_select) {
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- int status = 0;
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+ unsigned long flags;
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- status = gpio_request(cdata->gpio, dev_name(&spi->dev));
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- if (status)
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- return status;
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-
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- status = gpio_direction_output(cdata->gpio,
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- spi->mode & SPI_CS_HIGH);
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- if (status) {
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- gpio_free(cdata->gpio);
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- return status;
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- }
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+ flags = GPIOF_DIR_OUT;
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+ if (spi->mode & SPI_CS_HIGH)
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+ flags |= GPIOF_INIT_HIGH;
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+ else
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+ flags |= GPIOF_INIT_LOW;
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+
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+ status = gpio_request_one(cdata->gpio, flags,
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+ dev_name(&spi->dev));
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}
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- return 0;
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+ return status;
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}
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static void ath79_spi_cleanup_cs(struct spi_device *spi)
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