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Message-Id: <8a3a1b65eeecd18357ac0cc941f43df153d4f271.1273708027.git.inaky.perez-gonzalez@intel.com> Date: Fri, 14 May 2010 14:45:18 -0700 From: Inaky Perez-Gonzalez <inaky@...ux.intel.com> To: netdev@...r.kernel.org, wimax@...uxwimax.org Cc: "Prasanna S. Panchamukhi" <prasannax.s.panchamukhi@...el.com> Subject: [patch 2.6.35 19/25] wimax/i2400m: SDIO specific TX queue's minimum buffer room for new message From: Prasanna S. Panchamukhi <prasannax.s.panchamukhi@...el.com> This patch specifies the TX queue's minimum buffer room required to accommodate one smallest SDIO payload. Please refer the documentation in the code. Signed-off-by: Prasanna S. Panchamukhi <prasannax.s.panchamukhi@...el.com> --- drivers/net/wimax/i2400m/sdio.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c index 7632f80..9bfc26e 100644 --- a/drivers/net/wimax/i2400m/sdio.c +++ b/drivers/net/wimax/i2400m/sdio.c @@ -483,6 +483,13 @@ int i2400ms_probe(struct sdio_func *func, sdio_set_drvdata(func, i2400ms); i2400m->bus_tx_block_size = I2400MS_BLK_SIZE; + /* + * Room required in the TX queue for SDIO message to accommodate + * a smallest payload while allocating header space is 224 bytes, + * which is the smallest message size(the block size 256 bytes) + * minus the smallest message header size(32 bytes). + */ + i2400m->bus_tx_room_min = I2400MS_BLK_SIZE - I2400M_PL_ALIGN * 2; i2400m->bus_pl_size_max = I2400MS_PL_SIZE_MAX; i2400m->bus_setup = i2400ms_bus_setup; i2400m->bus_dev_start = i2400ms_bus_dev_start; -- 1.6.6.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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