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| author | Antony Pavlov <antonynpavlov@gmail.com> | 2017-04-24 19:35:59 +0300 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-04-28 08:05:03 +0200 |
| commit | 0e00ec670f0a63638a381fcd236656f928ce944d (patch) | |
| tree | a2a2c19144e41ee65834a2636c1ca1fdee326f32 /drivers/eeprom | |
| parent | be5d13bcb2a1f17ff80d1d65ff1a9e31c29dada7 (diff) | |
| download | barebox-0e00ec670f0a63638a381fcd236656f928ce944d.tar.gz barebox-0e00ec670f0a63638a381fcd236656f928ce944d.tar.xz | |
eeprom: at24: add the "read-only" dt parameter support
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/eeprom')
| -rw-r--r-- | drivers/eeprom/at24.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/eeprom/at24.c b/drivers/eeprom/at24.c index 1227286fbe..050a35aed8 100644 --- a/drivers/eeprom/at24.c +++ b/drivers/eeprom/at24.c @@ -454,6 +454,10 @@ static int at24_probe(struct device_d *dev) at24->cdev.size = chip.byte_len; writable = !(chip.flags & AT24_FLAG_READONLY); + + if (of_get_property(dev->device_node, "read-only", NULL)) + writable = 0; + if (writable) { unsigned write_max = chip.page_size; |