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| author | Tom Rini <trini@konsulko.com> | 2016-01-03 10:32:24 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-01-03 10:32:24 -0500 |
| commit | f1993ca066100fcaba7d49fecae0ef604e5807e2 (patch) | |
| tree | 5439c5cdd14b34ff2085b4876472a44349c15843 /drivers/i2c | |
| parent | d83c25c318564080ce647795e5ee49133b97e87d (diff) | |
| parent | ccf4326bac0371774265be0a8b13c150b445e703 (diff) | |
| download | u-boot-f1993ca066100fcaba7d49fecae0ef604e5807e2.tar.gz | |
Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/mxc_i2c.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c index fa4c82f1a2..b2d15c9b6a 100644 --- a/drivers/i2c/mxc_i2c.c +++ b/drivers/i2c/mxc_i2c.c @@ -581,8 +581,16 @@ void bus_i2c_init(int index, int speed, int unused, return; } - mxc_i2c_buses[index].idle_bus_fn = idle_bus_fn; - mxc_i2c_buses[index].idle_bus_data = idle_bus_data; + /* + * Warning: Be careful to allow the assignment to a static + * variable here. This function could be called while U-Boot is + * still running in flash memory. So such assignment is equal + * to write data to flash without erasing. + */ + if (idle_bus_fn) + mxc_i2c_buses[index].idle_bus_fn = idle_bus_fn; + if (idle_bus_data) + mxc_i2c_buses[index].idle_bus_data = idle_bus_data; ret = enable_i2c_clk(1, index); if (ret < 0) { |