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2a609abe71
On Intel Edison the Broadcom Wi-Fi card, which is connected to SDIO, requires 2.0v, while the host, according to Intel Merrifield TRM, supports 1.8v supply only. The card announces itself as mmc2: new ultra high speed DDR50 SDIO card at address 0001 Introduce a custom OCR mask for SDIO host controller on Intel Merrifield and add a special case to sdhci_set_power_noreg() to override 2.0v supply by enforcing 1.8v power choice. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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