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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2016-04-24 13:03:39 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2016-04-24 13:03:39 +0200 |
| commit | 525b311bf869d7e252d744e501e227263a955c8e (patch) | |
| tree | 4c644f534e5b577b9256d26b1e9a2e4a0453698e /target/linux/brcm2708/patches-4.4/0146-bcm2835-sdhost-Restore-ATOMIC-flag-to-PIO-sg-mapping.patch | |
| parent | 0ab31bfced9666f3fb58acdb5833a93e4f4f5f7e (diff) | |
| download | upstream-525b311bf869d7e252d744e501e227263a955c8e.tar.gz upstream-525b311bf869d7e252d744e501e227263a955c8e.tar.bz2 upstream-525b311bf869d7e252d744e501e227263a955c8e.zip | |
brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0146-bcm2835-sdhost-Restore-ATOMIC-flag-to-PIO-sg-mapping.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0146-bcm2835-sdhost-Restore-ATOMIC-flag-to-PIO-sg-mapping.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0146-bcm2835-sdhost-Restore-ATOMIC-flag-to-PIO-sg-mapping.patch b/target/linux/brcm2708/patches-4.4/0146-bcm2835-sdhost-Restore-ATOMIC-flag-to-PIO-sg-mapping.patch new file mode 100644 index 0000000000..bc3bb26149 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0146-bcm2835-sdhost-Restore-ATOMIC-flag-to-PIO-sg-mapping.patch @@ -0,0 +1,32 @@ +From 1bb1322d03193dc4214b030afad507d0df18e55c Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Mon, 15 Feb 2016 10:00:27 +0000 +Subject: [PATCH 146/304] bcm2835-sdhost: Restore ATOMIC flag to PIO sg mapping + +Allocation problems have been seen in a wireless driver, and +this is the only change which might have been responsible. +--- + drivers/mmc/host/bcm2835-sdhost.c | 7 +++---- + 1 file changed, 3 insertions(+), 4 deletions(-) + +--- a/drivers/mmc/host/bcm2835-sdhost.c ++++ b/drivers/mmc/host/bcm2835-sdhost.c +@@ -874,15 +874,14 @@ static void bcm2835_sdhost_prepare_data( + host->flush_fifo = 0; + host->data->bytes_xfered = 0; + +- + if (!host->dma_desc) { + /* Use PIO */ +- int flags; ++ int flags = SG_MITER_ATOMIC; + + if (data->flags & MMC_DATA_READ) +- flags = SG_MITER_TO_SG; ++ flags |= SG_MITER_TO_SG; + else +- flags = SG_MITER_FROM_SG; ++ flags |= SG_MITER_FROM_SG; + sg_miter_start(&host->sg_miter, data->sg, data->sg_len, flags); + host->blocks = data->blocks; + } |