From af7e570c3b63d414533aaf179ef0cbc5b620ec6f Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Mon, 13 Jan 2014 12:11:58 +0000 Subject: brcm63xx: fix legacy spi tranfers >= 256 bytes Fixes e.g. SPI flash access on BCM6358/BCM6368. Transfers < 256 bytes are not affected. Signed-off-by: Jonas Gorski SVN-Revision: 39265 --- ...-don-t-substract-prepend-length-from-tota.patch | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 target/linux/brcm63xx/patches-3.10/054-spi-bcm63xx-don-t-substract-prepend-length-from-tota.patch (limited to 'target/linux/brcm63xx/patches-3.10/054-spi-bcm63xx-don-t-substract-prepend-length-from-tota.patch') diff --git a/target/linux/brcm63xx/patches-3.10/054-spi-bcm63xx-don-t-substract-prepend-length-from-tota.patch b/target/linux/brcm63xx/patches-3.10/054-spi-bcm63xx-don-t-substract-prepend-length-from-tota.patch new file mode 100644 index 0000000..4224745 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/054-spi-bcm63xx-don-t-substract-prepend-length-from-tota.patch @@ -0,0 +1,26 @@ +From e85583b12b023773b488cf8406f11719a4037461 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Sun, 1 Dec 2013 16:16:44 +0100 +Subject: [PATCH 1/2] spi/bcm63xx: don't substract prepend length from total + length + +The spi command must include the full message length including any +prepended writes, else transfers larger than 256 bytes will be +incomplete. + +Signed-off-by: Jonas Gorski +--- + drivers/spi/spi-bcm63xx.c | 2 -- + 1 file changed, 2 deletions(-) + +--- a/drivers/spi/spi-bcm63xx.c ++++ b/drivers/spi/spi-bcm63xx.c +@@ -180,8 +180,6 @@ static int bcm63xx_txrx_bufs(struct spi_ + transfer_list); + } + +- len -= prepend_len; +- + init_completion(&bs->done); + + /* Fill in the Message control register */ -- cgit v1.1