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[188.192.206.47]) by smtp.gmail.com with ESMTPSA id 33sm4554170wrs.74.2018.04.13.10.01.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 13 Apr 2018 10:01:50 -0700 (PDT) From: Ulrich Hecht To: linux-renesas-soc@vger.kernel.org Cc: wsa@the-dreams.de, geert@linux-m68k.org, linux-spi@vger.kernel.org, magnus.damm@gmail.com, Gaku Inami , Hiromitsu Yamasaki , Ulrich Hecht Subject: [PATCH] spi: sh-msiof: Add spi_master_suspend/spi_master_resume Date: Fri, 13 Apr 2018 19:01:48 +0200 Message-Id: <1523638908-21924-1-git-send-email-ulrich.hecht+renesas@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Gaku Inami Add spi_master_suspend(), spi_master_resume() in PM callback since it needs to start/stop the queue during suspend/resume. Signed-off-by: Gaku Inami Signed-off-by: Hiromitsu Yamasaki [uli: simplified code, added pm field to platform driver] Signed-off-by: Ulrich Hecht Reviewed-by: Geert Uytterhoeven --- Slightly brushed up port from the BSP; tested to execute on suspend/resume without breaking anything. CU Uli drivers/spi/spi-sh-msiof.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index ae086aa..db30aad 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -1415,12 +1415,35 @@ static const struct platform_device_id spi_driver_ids[] = { }; MODULE_DEVICE_TABLE(platform, spi_driver_ids); +#ifdef CONFIG_PM_SLEEP +static int sh_msiof_spi_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct sh_msiof_spi_priv *p = platform_get_drvdata(pdev); + + return spi_master_suspend(p->master); +} + +static int sh_msiof_spi_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct sh_msiof_spi_priv *p = platform_get_drvdata(pdev); + + return spi_master_resume(p->master); +} +#endif /* CONFIG_PM_SLEEP */ + +static SIMPLE_DEV_PM_OPS(sh_msiof_spi_pm_ops, + sh_msiof_spi_suspend, + sh_msiof_spi_resume); + static struct platform_driver sh_msiof_spi_drv = { .probe = sh_msiof_spi_probe, .remove = sh_msiof_spi_remove, .id_table = spi_driver_ids, .driver = { .name = "spi_sh_msiof", + .pm = &sh_msiof_spi_pm_ops, .of_match_table = of_match_ptr(sh_msiof_match), }, };