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path: root/drivers/scsi/csiostor/csio_wr.c
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Diffstat (limited to 'drivers/scsi/csiostor/csio_wr.c')
-rw-r--r--drivers/scsi/csiostor/csio_wr.c41
1 files changed, 26 insertions, 15 deletions
diff --git a/drivers/scsi/csiostor/csio_wr.c b/drivers/scsi/csiostor/csio_wr.c
index c32df1bdaa97..713e77d12cb4 100644
--- a/drivers/scsi/csiostor/csio_wr.c
+++ b/drivers/scsi/csiostor/csio_wr.c
@@ -1331,14 +1331,21 @@ csio_wr_fixup_host_params(struct csio_hw *hw)
/* FL BUFFER SIZE#0 is Page size i,e already aligned to cache line */
csio_wr_reg32(hw, PAGE_SIZE, SGE_FL_BUFFER_SIZE0);
- csio_wr_reg32(hw,
- (csio_rd_reg32(hw, SGE_FL_BUFFER_SIZE2) +
- sge->csio_fl_align - 1) & ~(sge->csio_fl_align - 1),
- SGE_FL_BUFFER_SIZE2);
- csio_wr_reg32(hw,
- (csio_rd_reg32(hw, SGE_FL_BUFFER_SIZE3) +
- sge->csio_fl_align - 1) & ~(sge->csio_fl_align - 1),
- SGE_FL_BUFFER_SIZE3);
+
+ /*
+ * If using hard params, the following will get set correctly
+ * in csio_wr_set_sge().
+ */
+ if (hw->flags & CSIO_HWF_USING_SOFT_PARAMS) {
+ csio_wr_reg32(hw,
+ (csio_rd_reg32(hw, SGE_FL_BUFFER_SIZE2) +
+ sge->csio_fl_align - 1) & ~(sge->csio_fl_align - 1),
+ SGE_FL_BUFFER_SIZE2);
+ csio_wr_reg32(hw,
+ (csio_rd_reg32(hw, SGE_FL_BUFFER_SIZE3) +
+ sge->csio_fl_align - 1) & ~(sge->csio_fl_align - 1),
+ SGE_FL_BUFFER_SIZE3);
+ }
csio_wr_reg32(hw, HPZ0(PAGE_SHIFT - 12), ULP_RX_TDDP_PSZ);
@@ -1470,8 +1477,10 @@ csio_wr_set_sge(struct csio_hw *hw)
/* SGE_FL_BUFFER_SIZE0 is set up by csio_wr_fixup_host_params(). */
CSIO_SET_FLBUF_SIZE(hw, 1, CSIO_SGE_FLBUF_SIZE1);
- CSIO_SET_FLBUF_SIZE(hw, 2, CSIO_SGE_FLBUF_SIZE2);
- CSIO_SET_FLBUF_SIZE(hw, 3, CSIO_SGE_FLBUF_SIZE3);
+ csio_wr_reg32(hw, (CSIO_SGE_FLBUF_SIZE2 + sge->csio_fl_align - 1)
+ & ~(sge->csio_fl_align - 1), SGE_FL_BUFFER_SIZE2);
+ csio_wr_reg32(hw, (CSIO_SGE_FLBUF_SIZE3 + sge->csio_fl_align - 1)
+ & ~(sge->csio_fl_align - 1), SGE_FL_BUFFER_SIZE3);
CSIO_SET_FLBUF_SIZE(hw, 4, CSIO_SGE_FLBUF_SIZE4);
CSIO_SET_FLBUF_SIZE(hw, 5, CSIO_SGE_FLBUF_SIZE5);
CSIO_SET_FLBUF_SIZE(hw, 6, CSIO_SGE_FLBUF_SIZE6);
@@ -1522,22 +1531,24 @@ void
csio_wr_sge_init(struct csio_hw *hw)
{
/*
- * If we are master:
+ * If we are master and chip is not initialized:
* - If we plan to use the config file, we need to fixup some
* host specific registers, and read the rest of the SGE
* configuration.
* - If we dont plan to use the config file, we need to initialize
* SGE entirely, including fixing the host specific registers.
+ * If we are master and chip is initialized, just read and work off of
+ * the already initialized SGE values.
* If we arent the master, we are only allowed to read and work off of
* the already initialized SGE values.
*
* Therefore, before calling this function, we assume that the master-
- * ship of the card, and whether to use config file or not, have
- * already been decided. In other words, CSIO_HWF_USING_SOFT_PARAMS and
- * CSIO_HWF_MASTER should be set/unset.
+ * ship of the card, state and whether to use config file or not, have
+ * already been decided.
*/
if (csio_is_hw_master(hw)) {
- csio_wr_fixup_host_params(hw);
+ if (hw->fw_state != CSIO_DEV_STATE_INIT)
+ csio_wr_fixup_host_params(hw);
if (hw->flags & CSIO_HWF_USING_SOFT_PARAMS)
csio_wr_get_sge(hw);