linux-kernel - [PATCH 2/2] spi: pxa2xx: use a module softdep for dw

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Message-ID: <1554900696-28858-2-git-send-email-f.suligoi@asem.it>
Date:   Wed, 10 Apr 2019 14:51:36 +0200
From:   Flavio Suligoi <f.suligoi@...m.it>
To:     Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Mark Brown <broonie@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Flavio Suligoi <f.suligoi@...m.it>
Subject: [PATCH 2/2] spi: pxa2xx: use a module softdep for dw_dmac

With dw_dmac, sometimes the request of a DMA channel fails because
the DMA driver is not ready, so an explicit dependency request
is necessary.

Signed-off-by: Flavio Suligoi <f.suligoi@...m.it>
---
 drivers/spi/spi-pxa2xx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index c9560a1..e8ac26b 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1962,3 +1962,5 @@ static void __exit pxa2xx_spi_exit(void)
 	platform_driver_unregister(&driver);
 }
 module_exit(pxa2xx_spi_exit);
+
+MODULE_SOFTDEP("pre: dw_dmac");
-- 
2.7.4