On Mon, 2015-11-02 at 00:12 -0600, Dogra Raghav-B46184 wrote: > -----Original Message----- > From: Raghav Dogra [mailto:rag...@freescale.com] > Sent: Friday, October 30, 2015 11:55 AM > To: linuxppc-dev@lists.ozlabs.org > Cc: Wood Scott-B07421 <scottw...@freescale.com>; Kushwaha Prabhakar-B32579 < > prabha...@freescale.com>; Dogra Raghav-B46184 <rag...@freescale.com> > Subject: [PATCH 1/2] mpc85xx/lbc: modify suspend/resume entry sequence > > Modify platform driver suspend/resume to syscore suspend/resume. This is > because p1022ds needs to use localbus when entering the PCIE resume. > > Signed-off-by: Raghav Dogra <rag...@freescale.com> > --- > arch/powerpc/sysdev/Makefile | 2 +- > arch/powerpc/sysdev/fsl_lbc.c | 51 +++++++++++++++++++++++++++++++++------- > --- > 2 files changed, 40 insertions(+), 13 deletions(-) > > diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile > index f7cb2a1..4c19e614 100644 > --- a/arch/powerpc/sysdev/Makefile > +++ b/arch/powerpc/sysdev/Makefile > @@ -18,9 +18,9 @@ obj-$(CONFIG_PPC_PMI) += pmi.o > obj-$(CONFIG_U3_DART) += dart_iommu.o > obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o > obj-$(CONFIG_FSL_SOC) += fsl_soc.o fsl_mpic_err.o > +obj-$(CONFIG_FSL_LBC) += fsl_lbc.o > obj-$(CONFIG_FSL_PCI) += fsl_pci.o $(fsl-msi-obj-y) > obj-$(CONFIG_FSL_PMC) += fsl_pmc.o > -obj-$(CONFIG_FSL_LBC) += fsl_lbc.o > obj-$(CONFIG_FSL_GTM) += fsl_gtm.o > obj-$(CONFIG_FSL_85XX_CACHE_SRAM) += fsl_85xx_l2ctlr.o > fsl_85xx_cache_sram.o > obj-$(CONFIG_SIMPLE_GPIO) += simple_gpio.o > diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c > index d631022..332d700 100644 > --- a/arch/powerpc/sysdev/fsl_lbc.c > +++ b/arch/powerpc/sysdev/fsl_lbc.c > @@ -27,6 +27,7 @@ > #include <linux/platform_device.h> > #include <linux/interrupt.h> > #include <linux/mod_devicetable.h> > +#include <linux/syscore_ops.h> > #include <asm/prom.h> > #include <asm/fsl_lbc.h> > > @@ -354,24 +355,42 @@ err: > #ifdef CONFIG_SUSPEND > > /* save lbc registers */ > -static int fsl_lbc_suspend(struct platform_device *pdev, pm_message_t > state) > +static int fsl_lbc_syscore_suspend(void) > { > - struct fsl_lbc_ctrl *ctrl = dev_get_drvdata(&pdev->dev); > - struct fsl_lbc_regs __iomem *lbc = ctrl->regs; > + struct fsl_lbc_ctrl *ctrl; > + struct fsl_lbc_regs __iomem *lbc; > + > + ctrl = fsl_lbc_ctrl_dev; > + if (!ctrl) > + goto out; > + > + lbc = ctrl->regs; > + if (!lbc) > + goto out; > > ctrl->saved_regs = kmalloc(sizeof(struct fsl_lbc_regs), GFP_KERNEL); > if (!ctrl->saved_regs) > return -ENOMEM; > [Dogra Raghav-B46184] This is the existing upstream code. Are you > suggesting to modify the upstream code to take care of individual registers?
What specifically do you mean by "the upstream code"? What other tree are we talking about here? -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
