From: Patrick Williams <alpawi@amazon.com>
Cc: "Björn Ardö" <bjorn.ardo@axis.com>,
"Patrick Williams" <alpawi@amazon.com>,
"Patrick Williams" <patrick@stwcx.xyz>,
"Wolfram Sang" <wsa@the-dreams.de>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] i2c: slave-eeprom: initialize empty eeprom properly
Date: Tue, 1 Oct 2019 11:40:05 -0500 [thread overview]
Message-ID: <20191001164009.21610-1-alpawi@amazon.com> (raw)
The i2c-slave-eeprom driver emulates at24 class eeprom devices,
which come initialized with all 1s. Do the same in the software
emulation.
Signed-off-by: Patrick Williams <alpawi@amazon.com>
---
drivers/i2c/i2c-slave-eeprom.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/i2c/i2c-slave-eeprom.c b/drivers/i2c/i2c-slave-eeprom.c
index db9763cb4dae..efee56106251 100644
--- a/drivers/i2c/i2c-slave-eeprom.c
+++ b/drivers/i2c/i2c-slave-eeprom.c
@@ -131,6 +131,8 @@ static int i2c_slave_eeprom_probe(struct i2c_client *client, const struct i2c_de
if (!eeprom)
return -ENOMEM;
+ memset(eeprom->buffer, 0xFF, size);
+
eeprom->idx_write_cnt = 0;
eeprom->num_address_bytes = flag_addr16 ? 2 : 1;
eeprom->address_mask = size - 1;
--
2.17.2 (Apple Git-113)
next reply other threads:[~2019-10-01 16:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-01 16:40 Patrick Williams [this message]
2019-10-01 16:40 ` [PATCH 2/2] i2c: slave-eeprom: support additional models Patrick Williams
2020-04-20 16:46 ` Wolfram Sang
2020-04-20 20:23 ` Patrick Williams
2019-10-02 6:20 ` [PATCH 1/2] i2c: slave-eeprom: initialize empty eeprom properly Bjorn Ardo
2020-04-20 16:43 ` Wolfram Sang
2020-04-20 20:24 ` Patrick Williams
2020-04-20 20:31 ` Patrick Williams
2020-04-20 20:53 ` Wolfram Sang
2020-04-21 12:03 ` Bjorn Ardo
2020-04-21 12:16 ` Wolfram Sang
2020-04-22 9:30 ` Bjorn Ardo
2020-04-22 9:36 ` Wolfram Sang
2020-04-24 9:06 ` Bjorn Ardo
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