[v2,29/29] memory: samsung: exynos-srom: Describe the Kconfig entry
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Message ID 20200724074038.5597-30-krzk@kernel.org
State New
Headers show
Series
  • *memory: Cleanup, improve and compile test memory drivers
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Commit Message

Krzysztof Kozlowski July 24, 2020, 7:40 a.m. UTC
Write short description about the Exynos SROM controller driver.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

---

Changes since v1:
1. New patch
---
 drivers/memory/samsung/Kconfig | 7 +++++++
 1 file changed, 7 insertions(+)

Patch
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diff --git a/drivers/memory/samsung/Kconfig b/drivers/memory/samsung/Kconfig
index 20a8406ce786..8e240f078afc 100644
--- a/drivers/memory/samsung/Kconfig
+++ b/drivers/memory/samsung/Kconfig
@@ -23,5 +23,12 @@  config EXYNOS5422_DMC
 config EXYNOS_SROM
 	bool "Exynos SROM controller driver" if COMPILE_TEST
 	depends on (ARM && ARCH_EXYNOS) || (COMPILE_TEST && HAS_IOMEM)
+	help
+	  This adds driver for Samsung Exynos SoC SROM controller.  The driver
+	  in basic operation mode only saves and restores SROM registers
+	  during suspend.  If however appropriate device tree configuration
+	  is provided, the driver enables support for external memory
+	  or external devices.
+	  If unsure, say Y on devices with Samsung Exynos SocS.
 
 endif