Re: [PATCH v6 1/4] ipmi: ssif_bmc: Add SSIF BMC driver

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On 15/03/2022 01:15, Jae Hyun Yoo wrote:
Hi Quan,

[...]

+static void on_read_requested_event(struct ssif_bmc_ctx *ssif_bmc, u8 *val)
+{
+    if (ssif_bmc->state == SSIF_READY ||
+        ssif_bmc->state == SSIF_START ||
+        ssif_bmc->state == SSIF_REQ_RECVING ||
+        ssif_bmc->state == SSIF_RES_SENDING) {
+        ssif_bmc->state = SSIF_BAD_SMBUS;
+        dev_warn(&ssif_bmc->client->dev,
+             "Warn: %s unexpected READ REQUESTED in state=%s\n",
+             __func__, state_to_string(ssif_bmc->state));

It will print out that the case happens in SSIF_BAD_SMBUS state always
because ssif_bmc->state is already assigned as SSIF_BAD_SMBUS above.
Move the assignment to after the dev_warn printing.

[...]


Thanks for pointing this out. Will fix this in next version.

+static const struct of_device_id ssif_bmc_match[] = {
+    { .compatible = "ampere,ssif-bmc" },

Does this driver have any Ampere specific handling? If not, it could be
"ssif-bmc" as a generic SSIF driver.

Will change as you suggested in next version.

+    { },
+};

Add 'MODULE_DEVICE_TABLE(of, ssif_bmc_match);'

Will do in next version
+
+static const struct i2c_device_id ssif_bmc_id[] = {
+    { DEVICE_NAME, 0 },
+    { },
+};
+

Remove this blank line.

Will update in next version

+MODULE_DEVICE_TABLE(i2c, ssif_bmc_id);
+
+static struct i2c_driver ssif_bmc_driver = {
+    .driver         = {
+        .name           = DEVICE_NAME,
+        .of_match_table = ssif_bmc_match,
+    },
+    .probe          = ssif_bmc_probe,
+    .remove         = ssif_bmc_remove,
+    .id_table       = ssif_bmc_id,
+};
+

Remove this blank line too.

-Jae


Thanks Jae for the review, will update in next version.
- Quan

+module_i2c_driver(ssif_bmc_driver);
+
+MODULE_AUTHOR("Quan Nguyen <quan@xxxxxxxxxxxxxxxxxxxxxx>");
+MODULE_AUTHOR("Chuong Tran <chuong@xxxxxxxxxxxxxxxxxxxxxx>");
+MODULE_DESCRIPTION("Linux device driver of the BMC IPMI SSIF interface.");
+MODULE_LICENSE("GPL");

[...]



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