Message ID | 1421096200-28174-1-git-send-email-Frank.Li@freescale.com |
---|---|
State | Accepted |
Headers | show |
On Tue, Jan 13, 2015 at 04:56:40AM +0800, Frank.Li@freescale.com wrote: > From: Allen Xu <b45815@freescale.com> > > i.mx6 sx support turn off fastmix and megamix power. > qpsi controller can be turned off and all status lost when suspend/resume. > add suspend/resume functions and reset qspi controller when resume. > > Signed-off-by: Allen Xu <b45815@freescale.com> > Signed-off-by: Frank Li <Frank.Li@freescale.com> I am glad that Allen has began to maintain this driver. Acked-by: Huang Shijie <shijie.huang@intel.com>
On Tue, Jan 13, 2015 at 04:56:40AM +0800, Frank.Li@freescale.com wrote: > From: Allen Xu <b45815@freescale.com> > > i.mx6 sx support turn off fastmix and megamix power. > qpsi controller can be turned off and all status lost when suspend/resume. > add suspend/resume functions and reset qspi controller when resume. > > Signed-off-by: Allen Xu <b45815@freescale.com> > Signed-off-by: Frank Li <Frank.Li@freescale.com> Pushed to l2-mtd.git. Thanks. Brian
diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c index 39763b9..9d608007 100644 --- a/drivers/mtd/spi-nor/fsl-quadspi.c +++ b/drivers/mtd/spi-nor/fsl-quadspi.c @@ -972,6 +972,22 @@ static int fsl_qspi_remove(struct platform_device *pdev) return 0; } +static int fsl_qspi_suspend(struct platform_device *pdev, pm_message_t state) +{ + return 0; +} + +static int fsl_qspi_resume(struct platform_device *pdev) +{ + struct fsl_qspi *q = platform_get_drvdata(pdev); + + fsl_qspi_nor_setup(q); + fsl_qspi_set_map_addr(q); + fsl_qspi_nor_setup_last(q); + + return 0; +} + static struct platform_driver fsl_qspi_driver = { .driver = { .name = "fsl-quadspi", @@ -980,6 +996,8 @@ static struct platform_driver fsl_qspi_driver = { }, .probe = fsl_qspi_probe, .remove = fsl_qspi_remove, + .suspend = fsl_qspi_suspend, + .resume = fsl_qspi_resume, }; module_platform_driver(fsl_qspi_driver);