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hwrng: imx-rngc - improve dependencies

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The imx-rngc driver binds to devices that are compatible to
"fsl,imx25-rngb". Grepping through the device tree sources suggests this
only exists on i.MX25. So restrict dependencies to configs that have
this SoC enabled, but allow compile testing. For the latter additional
dependencies for clk and readl/writel are necessary.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Uwe Kleine-König 2020-02-05 15:00:02 +01:00 committed by Herbert Xu
parent f426faac80
commit fcdba3c33a
1 changed files with 2 additions and 1 deletions
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3
drivers/char/hw_random/Kconfig
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@ -244,7 +244,8 @@ config HW_RANDOM_MXC_RNGA
config HW_RANDOM_IMX_RNGC
tristate "Freescale i.MX RNGC Random Number Generator"
depends on ARCH_MXC
depends on HAS_IOMEM && HAVE_CLK
depends on SOC_IMX25 || COMPILE_TEST
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number