Extract version field to major, minor and step, so that we can add
dynamic version checks to read/writes.

This will help for controller versions that need specific bits
to be programmed.

Signed-off-by: Srinivas Kandagatla <[email protected]>
---
 drivers/soundwire/qcom.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 36e273795cbe..da6e0d4e9622 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -110,7 +110,9 @@ struct qcom_swrm_ctrl {
        u8 wr_cmd_id;
        u8 rd_cmd_id;
        int irq;
-       unsigned int version;
+       u8 version_major;
+       u8 version_minor;
+       u8 version_step;
        int num_din_ports;
        int num_dout_ports;
        int cols_index;
@@ -961,7 +963,7 @@ static int qcom_swrm_probe(struct platform_device *pdev)
        prop->default_col = data->default_cols;
        prop->default_row = data->default_rows;
 
-       ctrl->reg_read(ctrl, SWRM_COMP_HW_VERSION, &ctrl->version);
+       ctrl->reg_read(ctrl, SWRM_COMP_HW_VERSION, &val);
 
        ret = devm_request_threaded_irq(dev, ctrl->irq, NULL,
                                        qcom_swrm_irq_handler,
@@ -985,9 +987,11 @@ static int qcom_swrm_probe(struct platform_device *pdev)
        if (ret)
                goto err_master_add;
 
+       ctrl->version_major = (val >> 24) & 0xff;
+       ctrl->version_minor = (val >> 16) & 0xff;
+       ctrl->version_step = val & 0xffff;
        dev_info(dev, "Qualcomm Soundwire controller v%x.%x.%x Registered\n",
-                (ctrl->version >> 24) & 0xff, (ctrl->version >> 16) & 0xff,
-                ctrl->version & 0xffff);
+                ctrl->version_major, ctrl->version_minor, ctrl->version_step);
 
        return 0;
 
-- 
2.21.0

Reply via email to