[PATCH 03/20] sfc: SFT9001: Enable robust link training
From: Ben Hutchings <hidden>
Date: 2009-01-29 19:17:16
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Enable a firmware option that appears to be necessary for reliable operation. Signed-off-by: Ben Hutchings <redacted> --- drivers/net/sfc/tenxpress.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 9f5c8b8..0744404 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c@@ -67,6 +67,8 @@ #define PMA_PMD_EXT_CLK312_WIDTH 1 #define PMA_PMD_EXT_LPOWER_LBN 12 #define PMA_PMD_EXT_LPOWER_WIDTH 1 +#define PMA_PMD_EXT_ROBUST_LBN 14 +#define PMA_PMD_EXT_ROBUST_WIDTH 1 #define PMA_PMD_EXT_SSR_LBN 15 #define PMA_PMD_EXT_SSR_WIDTH 1
@@ -284,7 +286,9 @@ static int tenxpress_init(struct efx_nic *efx) PMA_PMD_XCONTROL_REG); reg |= ((1 << PMA_PMD_EXT_GMII_EN_LBN) | (1 << PMA_PMD_EXT_CLK_OUT_LBN) | - (1 << PMA_PMD_EXT_CLK312_LBN)); + (1 << PMA_PMD_EXT_CLK312_LBN) | + (1 << PMA_PMD_EXT_ROBUST_LBN)); + mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG, reg); mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT,
--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
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