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dca7c0b429
There is no need to memzero the buffer because dma_alloc_coherent zeros the memory for us. This fixes: BUG: Your driver calls ioremap() on system memory. This leads <4>to architecturally unpredictable behaviour on ARMv6+, and ioremap() <4>will fail in the next kernel release. Please fix your driver. Tested-by: Michael Grzeschik <mgr@pengutronix.de> LAKML-Reference: 1299271882-2130-3-git-send-email-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>