The patch titled
spi: spi_bfin, don't bypass spi framework
has been removed from the -mm tree. Its filename was
spi-spi_bfin-dont-bypass-spi-framework.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: spi: spi_bfin, don't bypass spi framework
From: Mike Frysinger <michael.frysinger@xxxxxxxxxx>
Prevent people from setting bits in ctl_reg that the SPI framework already
handles, hopefully we can one day drop ctl_reg completely
Signed-off-by: Mike Frysinger <michael.frysinger@xxxxxxxxxx>
Signed-off-by: Bryan Wu <bryan.wu@xxxxxxxxxx>
Signed-off-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi_bfin5xx.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff -puN drivers/spi/spi_bfin5xx.c~spi-spi_bfin-dont-bypass-spi-framework drivers/spi/spi_bfin5xx.c
--- a/drivers/spi/spi_bfin5xx.c~spi-spi_bfin-dont-bypass-spi-framework
+++ a/drivers/spi/spi_bfin5xx.c
@@ -998,6 +998,18 @@ static int setup(struct spi_device *spi)
/* chip_info isn't always needed */
if (chip_info) {
+ /* Make sure people stop trying to set fields via ctl_reg
+ * when they should actually be using common SPI framework.
+ * Currently we let through: WOM EMISO PSSE GM SZ TIMOD.
+ * Not sure if a user actually needs/uses any of these,
+ * but let's assume (for now) they do.
+ */
+ if (chip_info->ctl_reg & (SPE|MSTR|CPOL|CPHA|LSBF|SIZE)) {
+ dev_err(&spi->dev, "do not set bits in ctl_reg "
+ "that the SPI framework manages\n");
+ return -EINVAL;
+ }
+
chip->enable_dma = chip_info->enable_dma != 0
&& drv_data->master_info->enable_dma;
chip->ctl_reg = chip_info->ctl_reg;
_
Patches currently in -mm which might be from michael.frysinger@xxxxxxxxxx are
origin.patch
blackfin-rtc-driver-the-frequency-function-is-in-units-of-hz-not-units-of-seconds-so-lock-our-driver-down-to-1-hz.patch
blackfin-rtc-driver-we-pass-in-a-struct-device-to-the-irq-handler-not-a-struct-platform_device-so-fix-the-irq-handler.patch
blackfin-rtc-driver-cleanup-proc-handler-we-dont-need-rtc-reg-dump-now-that-we-have-mmr-filesystem-in-sysfs.patch
blackfin-rtc-driver-use-dev_dbg-rather-than-pr_stamp.patch
blackfin-rtc-driver-read_alarm-checks-the-enabled-field-not-the-pending-field.patch
blackfin-rtc-driver-shave-off-another-memcpy-by-using-assignment.patch
blackfin-rtc-driver-convert-sync-wait-to-use-the-irq-write-complete-notice.patch
add-cmpxchg_local-to-blackfin-replace-__cmpxchg-by-generic-cmpxchg.patch
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