Cc += Andy Duan
On Tue, Jun 20, 2017 at 10:20:42AM +0200, Michail Georgios Etairidis wrote:
>
> The i2c-imx driver incorrectly uses readb()/writeb() to read and
> write to the appropriate registers when performing a repeated start.
> The appropriate imx_i2c_read_reg()/imx_i2c_write_reg() functions
> should be used instead. Performing a repeated start results in
> a kernel panic. The platform is imx.
I really wonder why this didn't pop up earlier, maybe repeated start
just isn't that usual.
> Signed-off-by: Michail G Etairidis <m.etairidis@xxxxxxxxxxxx>
Fixes: ce1a78840ff7 ("i2c: imx: add DMA support for freescale i2c driver")
Fixes: 054b62d9f25c ("i2c: imx: fix the i2c bus hang issue when do repeat restart")
Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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