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SubjectRe: [PATCH v10 10/10] mtd: maps: gpio-addr-flash: Add support for device-tree devices
Hi Boris
On Fri, Oct 5, 2018 at 12:12 PM Boris Brezillon
<boris.brezillon@bootlin.com> wrote:
>
> On Fri, 5 Oct 2018 11:54:18 +0200
> Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> wrote:
>
> > Hi Boris
> >
> > Just seen that you already did the rebase at
> > https://github.com/bbrezillon/linux-0day/commits/mtd/physmap-cleanup
> >
> > Thanks for that.
> >
> > I am about to test it in real hw (unless you want me wait)
>
> Sure, go ahead and test it.
>
> Thanks,
>
> Boris
I had to change this on your patchset to have it working on hw:
https://pastebin.com/78A7yhJ9

If you send the patchset to the mailing list I can review it patch by patch.

Also
mtd: maps: Prepare merging of physmap and physmap_of

I do not think that can be bisected. (Not sure, I have to test it)

I add the diff to the mail, but gmail will probably scramble the
lines(yes I know I have to use other mail client)

Thanks!



diff --git a/drivers/mtd/maps/physmap-core.c b/drivers/mtd/maps/physmap-core.c
index 2e236ef60e04..d7a902afc9a7 100644
--- a/drivers/mtd/maps/physmap-core.c
+++ b/drivers/mtd/maps/physmap-core.c
@@ -69,8 +69,6 @@ static int physmap_flash_remove(struct platform_device *dev)
if (!info)
return 0;

- physmap_data = dev_get_platdata(&dev->dev);
-
if (info->cmtd) {
err = mtd_device_unregister(info->cmtd);
if (err)
@@ -80,12 +78,12 @@ static int physmap_flash_remove(struct platform_device *dev)
mtd_concat_destroy(info->cmtd);
}

- for (i = 0; i < info->nmaps; i++) {
- if (!info->mtds[i])
+ for (i = 0; i < info->nmaps; i++)
+ if (info->mtds[i])
map_destroy(info->mtds[i]);
- }

- if (physmap_data->exit)
+ physmap_data = dev_get_platdata(&dev->dev);
+ if (physmap_data && physmap_data->exit)
physmap_data->exit(dev);

return 0;
@@ -456,18 +454,18 @@ static int physmap_flash_probe(struct
platform_device *dev)
info->maps = devm_kzalloc(&dev->dev,
sizeof(*info->maps) * info->nmaps,
GFP_KERNEL);
- if (info->maps)
+ if (!info->maps)
return -ENOMEM;

info->mtds = devm_kzalloc(&dev->dev,
sizeof(*info->mtds) * info->nmaps,
GFP_KERNEL);
- if (info->mtds)
+ if (!info->mtds)
return -ENOMEM;

platform_set_drvdata(dev, info);

- info->gpios = devm_gpiod_get_array_optional(&dev->dev, "addr-gpios",
+ info->gpios = devm_gpiod_get_array_optional(&dev->dev, "addr",
GPIOD_OUT_LOW);
if (IS_ERR(info->gpios))
return PTR_ERR(info->gpios);
@@ -480,14 +478,6 @@ static int physmap_flash_probe(struct platform_device *dev)
err = physmap_flash_of_init(dev);
if (err)
err = physmap_flash_pdata_init(dev);
-
- if (err)
- return err;
-
- err = physmap_flash_of_init(dev);
- if (err)
- err = physmap_flash_pdata_init(dev);
-
if (err)
return err;

@@ -509,7 +499,6 @@ static int physmap_flash_probe(struct platform_device *dev)
if (!info->maps[i].phys)
info->maps[i].phys = res->start;

- info->maps[i].size = resource_size(res);
info->win_order = get_bitmask_order(resource_size(res)) - 1;
info->maps[i].size = BIT(info->win_order +
(info->gpios ?




--
Ricardo Ribalda

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