1 From 0ca1e1d7ffdfcf1e716205491a00bf025fb71a77 Mon Sep 17 00:00:00 2001
2 From: Phil Elwell <phil@raspberrypi.org>
3 Date: Wed, 1 Jul 2015 12:51:52 +0100
4 Subject: [PATCH 101/121] bcm2835-sdhost: Clear HBLC for PIO mode
6 Also update pio_limit default in overlay README.
8 arch/arm/boot/dts/overlays/README | 2 +-
9 drivers/mmc/host/bcm2835-sdhost.c | 3 +--
10 2 files changed, 2 insertions(+), 3 deletions(-)
12 --- a/arch/arm/boot/dts/overlays/README
13 +++ b/arch/arm/boot/dts/overlays/README
14 @@ -441,7 +441,7 @@ Params: overclock_50 Clock (
15 force_pio Disable DMA support (default off)
17 pio_limit Number of blocks above which to use DMA
21 debug Enable debug output (default off)
23 --- a/drivers/mmc/host/bcm2835-sdhost.c
24 +++ b/drivers/mmc/host/bcm2835-sdhost.c
25 @@ -699,8 +699,7 @@ static void bcm2835_sdhost_prepare_data(
26 bcm2835_sdhost_set_transfer_irqs(host);
28 bcm2835_sdhost_write(host, data->blksz, SDHBCT);
30 - bcm2835_sdhost_write(host, data->blocks, SDHBLC);
31 + bcm2835_sdhost_write(host, host->use_dma ? data->blocks : 0, SDHBLC);