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sfc: Expose flash region storing boot code as MTD

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The boot code that appears as a PCI expansion ROM on the SFC4000 is
stored in flash.  Expose this as a standard MTD device to allow for
in-place upgrades.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Ben Hutchings
2008-11-04 20:34:28 +00:00
committed by Jeff Garzik
parent 0a95f56323
commit f41507245e
9 changed files with 327 additions and 7 deletions
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drivers/net/sfc/net_driver.h
+2
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@@ -655,6 +655,7 @@ union efx_multicast_hash {
* This field will be %NULL if no flash device is present.
* @spi_eeprom: SPI EEPROM device
* This field will be %NULL if no EEPROM device is present.
* @spi_lock: SPI bus lock
* @n_rx_nodesc_drop_cnt: RX no descriptor drop count
* @nic_data: Hardware dependant state
* @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode,
@@ -731,6 +732,7 @@ struct efx_nic {
struct efx_spi_device *spi_flash;
struct efx_spi_device *spi_eeprom;
struct mutex spi_lock;
unsigned n_rx_nodesc_drop_cnt;