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i.MX drivers update for 4.18:

Browse source 
- Use platform_device_add_data() instead of a pointer to a static
    memory in gpc/gpcv2 driver for platform data passing, so that we
    can avoid a BUG() when calling platform_device_put().
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Merge tag 'imx-drivers-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

i.MX drivers update for 4.18:
 - Use platform_device_add_data() instead of a pointer to a static
   memory in gpc/gpcv2 driver for platform data passing, so that we
   can avoid a BUG() when calling platform_device_put().

* tag 'imx-drivers-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: Do not pass static memory as platform data
  soc: imx: gpcv2: Do not pass static memory as platform data

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2018-05-25 13:47:10 -07:00
commit d6bde1dbe3
2 changed files with 28 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

18
drivers/soc/imx/gpc.c
View file

@ -443,17 +443,25 @@ static int imx_gpc_probe(struct platform_device *pdev)
if (domain_index >= of_id_data->num_domains)
continue;
domain = &imx_gpc_domains[domain_index];
domain->regmap = regmap;
domain->ipg_rate_mhz = ipg_rate_mhz;
pd_pdev = platform_device_alloc("imx-pgc-power-domain",
domain_index);
if (!pd_pdev) {
of_node_put(np);
return -ENOMEM;
}
pd_pdev->dev.platform_data = domain;
ret = platform_device_add_data(pd_pdev,
&imx_gpc_domains[domain_index],
sizeof(imx_gpc_domains[domain_index]));
if (ret) {
platform_device_put(pd_pdev);
of_node_put(np);
return ret;
}
domain = pd_pdev->dev.platform_data;
domain->regmap = regmap;
domain->ipg_rate_mhz = ipg_rate_mhz;
pd_pdev->dev.parent = &pdev->dev;
pd_pdev->dev.of_node = np;

22
drivers/soc/imx/gpcv2.c
View file

@ -155,7 +155,7 @@ static int imx7_gpc_pu_pgc_sw_pdn_req(struct generic_pm_domain *genpd)
return imx7_gpc_pu_pgc_sw_pxx_req(genpd, false);
}
static struct imx7_pgc_domain imx7_pgc_domains[] = {
static const struct imx7_pgc_domain imx7_pgc_domains[] = {
[IMX7_POWER_DOMAIN_MIPI_PHY] = {
.genpd = {
.name = "mipi-phy",
@ -321,11 +321,6 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
continue;
}
domain = &imx7_pgc_domains[domain_index];
domain->regmap = regmap;
domain->genpd.power_on = imx7_gpc_pu_pgc_sw_pup_req;
domain->genpd.power_off = imx7_gpc_pu_pgc_sw_pdn_req;
pd_pdev = platform_device_alloc("imx7-pgc-domain",
domain_index);
if (!pd_pdev) {
@ -334,7 +329,20 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
return -ENOMEM;
}
pd_pdev->dev.platform_data = domain;
ret = platform_device_add_data(pd_pdev,
&imx7_pgc_domains[domain_index],
sizeof(imx7_pgc_domains[domain_index]));
if (ret) {
platform_device_put(pd_pdev);
of_node_put(np);
return ret;
}
domain = pd_pdev->dev.platform_data;
domain->regmap = regmap;
domain->genpd.power_on = imx7_gpc_pu_pgc_sw_pup_req;
domain->genpd.power_off = imx7_gpc_pu_pgc_sw_pdn_req;
pd_pdev->dev.parent = dev;
pd_pdev->dev.of_node = np;