From: Andrew Jackson <ajack...@solarflare.com>

Signed-off-by: Andrew Jackson <ajack...@solarflare.com>
Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com>
---
 drivers/net/sfc/base/siena_flash.h | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/net/sfc/base/siena_flash.h 
b/drivers/net/sfc/base/siena_flash.h
index e2700554..5fa3ea4 100644
--- a/drivers/net/sfc/base/siena_flash.h
+++ b/drivers/net/sfc/base/siena_flash.h
@@ -113,15 +113,21 @@ typedef struct siena_mc_boot_hdr_s {              /* 
GENERATED BY scripts/genfwdef */
        efx_word_t      checksum;               /* of whole header area + 
firmware image */
        efx_word_t      firmware_version_d;
        efx_byte_t      mcfw_subtype;
-       efx_byte_t      generation;             /* Valid for medford, SBZ for 
earlier chips */
+       efx_byte_t      generation;             /* MC (Medford and later): MC 
partition generation when */
+                                               /* written to NVRAM. */
+                                               /* MUM & SUC images: subtype. */
+                                               /* (Otherwise set to 0) */
        efx_dword_t     firmware_text_offset;   /* offset to firmware .text */
        efx_dword_t     firmware_text_size;     /* length of firmware .text, in 
bytes */
        efx_dword_t     firmware_data_offset;   /* offset to firmware .data */
        efx_dword_t     firmware_data_size;     /* length of firmware .data, in 
bytes */
        efx_byte_t      spi_rate;               /* SPI rate for reading image, 
0 is BootROM default */
        efx_byte_t      spi_phase_adj;          /* SPI SDO/SCL phase 
adjustment, 0 is default (no adj) */
-       efx_word_t      xpm_sector;             /* The sector that contains the 
key, or 0xffff if unsigned (medford) SBZ (earlier) */
-       efx_dword_t     reserved_c[7];          /* (set to 0) */
+       efx_word_t      xpm_sector;             /* XPM (MEDFORD and later): The 
sector that contains */
+                                               /* the key, or 0xffff if 
unsigned. (Otherwise set to 0) */
+       efx_byte_t      mumfw_subtype;          /* MUM & SUC images: subtype. 
(Otherwise set to 0) */
+       efx_byte_t      reserved_b[3];          /* (set to 0) */
+       efx_dword_t     reserved_c[6];          /* (set to 0) */
 } siena_mc_boot_hdr_t;
 
 #define        SIENA_MC_BOOT_HDR_PADDING \
-- 
2.7.4

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