Files
poky/meta/recipes-kernel/linux/linux-omap-2.6.29/evm-mcspi-ts.diff
Richard Purdie 29d6678fd5 Major layout change to the packages directory
Having one monolithic packages directory makes it hard to find things
and is generally overwhelming. This commit splits it into several
logical sections roughly based on function, recipes.txt gives more
information about the classifications used.

The opportunity is also used to switch from "packages" to "recipes"
as used in OpenEmbedded as the term "packages" can be confusing to
people and has many different meanings.

Not all recipes have been classified yet, this is just a first pass
at separating things out. Some packages are moved to meta-extras as
they're no longer actively used or maintained.

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2010-08-27 15:29:45 +01:00

133 lines
5.8 KiB
Diff

From linux-omap-owner@vger.kernel.org Sun Nov 02 21:08:25 2008
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From: Grazvydas Ignotas <notasas@gmail.com>
To: linux-omap@vger.kernel.org
Cc: Grazvydas Ignotas <notasas@gmail.com>
Subject: Re: omap3evm LCD red-tint workaround
Date: Sun, 2 Nov 2008 21:56:19 +0200
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> PS: TS is still unusable with the 16x16 pixel resolution
This is also the case for Pandora. The patch below fixes the problem,
but as I have no other boards to test this on, I haven't sent it.
See if it helps you.
From 91f3af26bbf751b846e6265d86387e81be7c1364 Mon Sep 17 00:00:00 2001
From: Grazvydas Ignotas <notasas@gmail.com>
Date: Tue, 28 Oct 2008 22:01:42 +0200
Subject: [PATCH] OMAP3: fix McSPI transfers
Currently on OMAP3 if both write and read is set up for a transfer,
the first byte returned on read is corrupted. Work around this by
disabling channel between reads and writes, instead of transfers.
---
drivers/spi/omap2_mcspi.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 454a271..4890b6c 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -710,7 +710,6 @@ static void omap2_mcspi_work(struct work_struct *work)
spi = m->spi;
cs = spi->controller_state;
- omap2_mcspi_set_enable(spi, 1);
list_for_each_entry(t, &m->transfers, transfer_list) {
if (t->tx_buf == NULL && t->rx_buf == NULL && t->len) {
status = -EINVAL;
@@ -741,6 +740,8 @@ static void omap2_mcspi_work(struct work_struct *work)
if (t->len) {
unsigned count;
+ omap2_mcspi_set_enable(spi, 1);
+
/* RX_ONLY mode needs dummy data in TX reg */
if (t->tx_buf == NULL)
__raw_writel(0, cs->base
@@ -752,6 +753,8 @@ static void omap2_mcspi_work(struct work_struct *work)
count = omap2_mcspi_txrx_pio(spi, t);
m->actual_length += count;
+ omap2_mcspi_set_enable(spi, 0);
+
if (count != t->len) {
status = -EIO;
break;
@@ -777,8 +780,6 @@ static void omap2_mcspi_work(struct work_struct *work)
if (cs_active)
omap2_mcspi_force_cs(spi, 0);
- omap2_mcspi_set_enable(spi, 0);
-
m->status = status;
m->complete(m->context);
--
1.5.4.3
--
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