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authorSimon Glass <sjg@chromium.org>2014-10-13 23:42:07 -0600
committerSimon Glass <sjg@chromium.org>2014-10-22 10:36:50 -0600
commitfbb099183e3a53f77a975964cdf2e73d11e565af (patch)
treecb62983490341f41d3944e6d3c58fb5166621568 /drivers/watchdog
parent4c2dbefde58917205af51a2c20b3069e01e55cf4 (diff)
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dm: Convert spi_flash_probe() and 'sf probe' to use driver model
We want the SPI flash probing feature to operate as a standard driver. Add a driver for the basic probing feature used by most boards. This will be activated by device_probe() as with any other driver. The 'sf probe' command currently keeps track of the SPI slave that it last used. This doesn't work with driver model, since some other driver or system may have probed the device and have access to it too. On the other hand, if we try to probe a device twice the second probe is a nop with driver model. Fix this by searching for the matching device, removing it, and then probing it again. This should work as expected regardless of other device activity. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
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