RE: [PATCH V7 2/3] qe_common: add qe_muram_ functions to manage muram
From: Zhao Qiang
Date: Tue Sep 01 2015 - 22:32:21 EST
On Wed, 2015-09-02 at 10:31AM, Wood Scott-B07421 wrote:
> -----Original Message-----
> From: Wood Scott-B07421
> Sent: Wednesday, September 02, 2015 10:31 AM
> To: Zhao Qiang-B45475
> Cc: linux-kernel@xxxxxxxxxxxxxxx; linuxppc-dev@xxxxxxxxxxxxxxxx;
> lauraa@xxxxxxxxxxxxxx; Xie Xiaobo-R63061; benh@xxxxxxxxxxxxxxxxxxx; Li
> Yang-Leo-R58472; paulus@xxxxxxxxx
> Subject: Re: [PATCH V7 2/3] qe_common: add qe_muram_ functions to manage
> muram
>
> On Tue, 2015-09-01 at 21:22 -0500, Zhao Qiang-B45475 wrote:
> > On Wed, 2015-09-02 at 8:34AM +0800, Wood Scott-B07421 wrote:
> > > -----Original Message-----
> > > From: Wood Scott-B07421
> > > Sent: Wednesday, September 02, 2015 8:34 AM
> > > To: Zhao Qiang-B45475
> > > Cc: linux-kernel@xxxxxxxxxxxxxxx; linuxppc-dev@xxxxxxxxxxxxxxxx;
> > > lauraa@xxxxxxxxxxxxxx; Xie Xiaobo-R63061; benh@xxxxxxxxxxxxxxxxxxx;
> > > Li Yang-Leo-R58472; paulus@xxxxxxxxx
> > > Subject: Re: [PATCH V7 2/3] qe_common: add qe_muram_ functions to
> > > manage muram
> > >
> > > On Mon, 2015-08-31 at 16:58 +0800, Zhao Qiang wrote:
> > >
> > > > -int cpm_muram_init(void)
> > > > -{
> > > > - struct device_node *np;
> > > > - struct resource r;
> > > > - u32 zero[OF_MAX_ADDR_CELLS] = {};
> > > > - resource_size_t max = 0;
> > > > - int i = 0;
> > > > - int ret = 0;
> > > > -
> > > > - if (muram_pbase)
> > > > - return 0;
> > > > -
> > > > - spin_lock_init(&cpm_muram_lock);
> > > > - /* initialize the info header */
> > > > - rh_init(&cpm_muram_info, 1,
> > > > - sizeof(cpm_boot_muram_rh_block) /
> > > > - sizeof(cpm_boot_muram_rh_block[0]),
> > > > - cpm_boot_muram_rh_block);
> > > > -
> > > > - np = of_find_compatible_node(NULL, NULL, "fsl,cpm-muram-
> data");
> > > > - if (!np) {
> > > > - /* try legacy bindings */
> > > > - np = of_find_node_by_name(NULL, "data-only");
> > > > - if (!np) {
> > > > - printk(KERN_ERR "Cannot find CPM muram data
> > > node");
> > > > - ret = -ENODEV;
> > > > - goto out;
> > > > - }
> > > > - }
> > > > -
> > > > - muram_pbase = of_translate_address(np, zero);
> > > > - if (muram_pbase == (phys_addr_t)OF_BAD_ADDR) {
> > > > - printk(KERN_ERR "Cannot translate zero through CPM
> muram
> > > node");
> > > > - ret = -ENODEV;
> > > > - goto out;
> > > > - }
> > >
> > > Did you pass -M -C to git format-patch?
> >
> >
> > Yes!
>
> Then maybe it's the qe/cpm rename churn, or similar, that prevented it
> from being identified as a move?
Maybe
>
> -Scott
-Zhao