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greybus: interface: clean up bootrom quirk handling
Clean up bootrom quirk handling in preparation for addition of further flags. Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Johan Hovold <johan@hovoldconsulting.com> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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@ -174,6 +174,7 @@ static void gb_interface_route_destroy(struct gb_interface *intf)
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static int gb_interface_read_and_clear_init_status(struct gb_interface *intf)
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{
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struct gb_host_device *hd = intf->hd;
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unsigned long bootrom_quirks;
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int ret;
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u32 value;
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u16 attr;
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@ -217,16 +218,18 @@ static int gb_interface_read_and_clear_init_status(struct gb_interface *intf)
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init_status = value >> 24;
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/*
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* Check if the interface is executing the quirky ES3 bootrom that
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* requires E2EFC, CSD and CSV to be disabled.
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* Check if the interface is executing the quirky ES3 bootrom that,
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* for example, requires E2EFC, CSD and CSV to be disabled.
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*/
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bootrom_quirks = GB_INTERFACE_QUIRK_NO_CPORT_FEATURES;
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switch (init_status) {
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case GB_INIT_BOOTROM_UNIPRO_BOOT_STARTED:
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case GB_INIT_BOOTROM_FALLBACK_UNIPRO_BOOT_STARTED:
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intf->quirks |= GB_INTERFACE_QUIRK_NO_CPORT_FEATURES;
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intf->quirks |= bootrom_quirks;
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break;
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default:
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intf->quirks &= ~GB_INTERFACE_QUIRK_NO_CPORT_FEATURES;
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intf->quirks &= ~bootrom_quirks;
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}
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/* Clear the init status. */
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