The patch below was submitted to be applied to the 4.9-stable tree.
I fail to see how this patch meets the stable kernel rules as found at
Documentation/stable_kernel_rules.txt.
I could be totally wrong, and if so, please respond to
<stable@xxxxxxxxxxxxxxx> and let me know why this patch should be
applied. Otherwise, it is now dropped from my patch queues, never to be
seen again.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From b1448ea9cd95868e3e91313b643818d18917b382 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Date: Wed, 14 Dec 2016 13:30:24 +0100
Subject: [PATCH] iio: adc: TI_AM335X_ADC should depend on HAS_DMA
If NO_DMA=y:
ERROR: "bad_dma_ops" [drivers/iio/adc/ti_am335x_adc.ko] undefined!
Add a dependency on HAS_DMA to fix this.
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Fixes: f438b9da (" drivers: iio: ti_am335x_adc: add dma support")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 38bc319904c4..9c8b558ba19e 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -561,7 +561,7 @@ config TI_ADS8688
config TI_AM335X_ADC
tristate "TI's AM335X ADC driver"
- depends on MFD_TI_AM335X_TSCADC
+ depends on MFD_TI_AM335X_TSCADC && HAS_DMA
select IIO_BUFFER
select IIO_KFIFO_BUF
help
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