On 18/11/2022 12:45, hejunhao wrote:
Hi Suzuki ,
On 2022/11/15 19:06, Suzuki K Poulose wrote:
On 14/11/2022 09:03, Junhao He wrote:
From: Qi Liu <liuqi115@xxxxxxxxxx>
+static void smb_init_hw(struct smb_drv_data *drvdata)
+{
+ /* First disable SMB and clear the status of SMB buffer */
+ smb_reset_buffer_status(drvdata);
+ smb_disable_hw(drvdata);
+ smb_purge_data(drvdata);
+
+ writel(SMB_LB_CFG_LO_DEFAULT, drvdata->base + SMB_LB_CFG_LO_REG);
+ writel(SMB_LB_CFG_HI_DEFAULT, drvdata->base + SMB_LB_CFG_HI_REG);
+ writel(SMB_GLB_CFG_DEFAULT, drvdata->base + SMB_GLB_CFG_REG);
+ writel(SMB_GLB_INT_CFG, drvdata->base + SMB_GLB_INT_REG);
+ writel(SMB_LB_INT_CTRL_CFG, drvdata->base + SMB_LB_INT_CTRL_REG);
Does this come with interrupt on overflow ? Do we not use this ?
When the buffer overflow, no interrupt will come.
Interrupt will upgrade SMB_LB_INT_STS_REG register status if start trace.
Thanks.
Rest looks fine to me.
What is the purpose of the "Interrupt" on the SMB ? It is not clear to
me.
Suzuki
