| From ff9378904d9d7a3fcb8406604e089e535e357b1d Mon Sep 17 00:00:00 2001 |
| From: Masahisa Kojima <masahisa.kojima@linaro.org> |
| Date: Tue, 21 May 2019 10:33:50 +0900 |
| Subject: i2c: synquacer: fix synquacer_i2c_doxfer() return value |
| |
| From: Masahisa Kojima <masahisa.kojima@linaro.org> |
| |
| commit ff9378904d9d7a3fcb8406604e089e535e357b1d upstream. |
| |
| master_xfer should return the number of messages successfully |
| processed. |
| |
| Fixes: 0d676a6c4390 ("i2c: add support for Socionext SynQuacer I2C controller") |
| Cc: <stable@vger.kernel.org> # v4.19+ |
| Signed-off-by: Okamoto Satoru <okamoto.satoru@socionext.com> |
| Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org> |
| Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> |
| Signed-off-by: Wolfram Sang <wsa@the-dreams.de> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/i2c/busses/i2c-synquacer.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| --- a/drivers/i2c/busses/i2c-synquacer.c |
| +++ b/drivers/i2c/busses/i2c-synquacer.c |
| @@ -356,7 +356,7 @@ static int synquacer_i2c_doxfer(struct s |
| /* wait 2 clock periods to ensure the stop has been through the bus */ |
| udelay(DIV_ROUND_UP(2 * 1000, i2c->speed_khz)); |
| |
| - return 0; |
| + return ret; |
| } |
| |
| static irqreturn_t synquacer_i2c_isr(int irq, void *dev_id) |
