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hwspinlock updates for v6.6

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Convert u8500 and omap drivers to void-returning remove.
 
 Complete the support for representing the Qualcomm TCSR mutex as a mmio
 device, and check the return value of devm_regmap_field_alloc() in the
 same.
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Merge tag 'hwlock-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull hwspinlock updates from Bjorn Andersson:
 "Convert u8500 and omap drivers to void-returning remove.

  Complete the support for representing the Qualcomm TCSR mutex as a
  mmio device, and check the return value of devm_regmap_field_alloc()
  in the same"

* tag 'hwlock-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  hwspinlock: qcom: add missing regmap config for SFPB MMIO implementation
  hwspinlock: u8500: Convert to platform remove callback returning void
  hwspinlock: omap: Convert to platform remove callback returning void
  hwspinlock: omap: Emit only one error message for errors in .remove()
  hwspinlock: add a check of devm_regmap_field_alloc in qcom_hwspinlock_probe
This commit is contained in:
Linus Torvalds 2023-09-04 15:04:31 -07:00
commit e3a6fa001d
3 changed files with 16 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/hwspinlock/omap_hwspinlock.c
View file

@ -145,7 +145,7 @@ runtime_err:
return ret;
}
static int omap_hwspinlock_remove(struct platform_device *pdev)
static void omap_hwspinlock_remove(struct platform_device *pdev)
{
struct hwspinlock_device *bank = platform_get_drvdata(pdev);
int ret;
@ -153,12 +153,10 @@ static int omap_hwspinlock_remove(struct platform_device *pdev)
ret = hwspin_lock_unregister(bank);
if (ret) {
dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);
return ret;
return;
}
pm_runtime_disable(&pdev->dev);
return 0;
}
static const struct of_device_id omap_hwspinlock_of_match[] = {
@ -171,7 +169,7 @@ MODULE_DEVICE_TABLE(of, omap_hwspinlock_of_match);
static struct platform_driver omap_hwspinlock_driver = {
.probe = omap_hwspinlock_probe,
.remove = omap_hwspinlock_remove,
.remove_new = omap_hwspinlock_remove,
.driver = {
.name = "omap_hwspinlock",
.of_match_table = omap_hwspinlock_of_match,

11
drivers/hwspinlock/qcom_hwspinlock.c
View file

@ -69,9 +69,18 @@ static const struct hwspinlock_ops qcom_hwspinlock_ops = {
.unlock = qcom_hwspinlock_unlock,
};
static const struct regmap_config sfpb_mutex_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0x100,
.fast_io = true,
};
static const struct qcom_hwspinlock_of_data of_sfpb_mutex = {
.offset = 0x4,
.stride = 0x4,
.regmap_config = &sfpb_mutex_config,
};
static const struct regmap_config tcsr_msm8226_mutex_config = {
@ -197,6 +206,8 @@ static int qcom_hwspinlock_probe(struct platform_device *pdev)
bank->lock[i].priv = devm_regmap_field_alloc(&pdev->dev,
regmap, field);
if (IS_ERR(bank->lock[i].priv))
return PTR_ERR(bank->lock[i].priv);
}
return devm_hwspin_lock_register(&pdev->dev, bank, &qcom_hwspinlock_ops,

6
drivers/hwspinlock/u8500_hsem.c
View file

@ -120,20 +120,18 @@ static int u8500_hsem_probe(struct platform_device *pdev)
pdata->base_id, num_locks);
}
static int u8500_hsem_remove(struct platform_device *pdev)
static void u8500_hsem_remove(struct platform_device *pdev)
{
struct hwspinlock_device *bank = platform_get_drvdata(pdev);
void __iomem *io_base = bank->lock[0].priv - HSEM_REGISTER_OFFSET;
/* clear all interrupts */
writel(0xFFFF, io_base + HSEM_ICRALL);
return 0;
}
static struct platform_driver u8500_hsem_driver = {
.probe = u8500_hsem_probe,
.remove = u8500_hsem_remove,
.remove_new = u8500_hsem_remove,
.driver = {
.name = "u8500_hsem",
},