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Groups > linux.kernel > #1723508
| From | Divagar Mohandass <divagar.mohandass@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 2/3] eeprom: at24: add support to fetch eeprom device property "size" |
| Date | 2017-08-30 19:10 +0200 |
| Message-ID | <ukeF4-2E4-19@gated-at.bofh.it> (permalink) |
| References | <ukeF4-2E4-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Obtain the size of the EEPROM chip from DT if the "size" property is
specified for the device.
Signed-off-by: Divagar Mohandass <divagar.mohandass@intel.com>
---
drivers/misc/eeprom/at24.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 764ff5df..2199c42 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -570,6 +570,10 @@ static void at24_get_pdata(struct device *dev, struct at24_platform_data *chip)
if (device_property_present(dev, "read-only"))
chip->flags |= AT24_FLAG_READONLY;
+ err = device_property_read_u32(dev, "size", &val);
+ if (!err)
+ chip->byte_len = val;
+
err = device_property_read_u32(dev, "pagesize", &val);
if (!err) {
chip->page_size = val;
--
1.9.1
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[PATCH v4 0/3] enable eeprom "size" property and runtime pm Divagar Mohandass <divagar.mohandass@intel.com> - 2017-08-30 19:10 +0200
[PATCH v4 2/3] eeprom: at24: add support to fetch eeprom device property "size" Divagar Mohandass <divagar.mohandass@intel.com> - 2017-08-30 19:10 +0200
[PATCH v4 3/3] eeprom: at24: enable runtime pm support Divagar Mohandass <divagar.mohandass@intel.com> - 2017-08-30 19:10 +0200
Re: [PATCH v4 3/3] eeprom: at24: enable runtime pm support Sakari Ailus <sakari.ailus@iki.fi> - 2017-08-30 23:20 +0200
RE: [PATCH v4 3/3] eeprom: at24: enable runtime pm support "Mohandass, Divagar" <divagar.mohandass@intel.com> - 2017-08-31 13:30 +0200
Re: [PATCH v4 3/3] eeprom: at24: enable runtime pm support Sakari Ailus <sakari.ailus@iki.fi> - 2017-08-31 17:40 +0200
RE: [PATCH v4 3/3] eeprom: at24: enable runtime pm support "Mohandass, Divagar" <divagar.mohandass@intel.com> - 2017-09-01 20:30 +0200
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