Message ID | 1490403540-31425-4-git-send-email-nick@shmanahar.org (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
On Fri, Mar 24, 2017 at 5:59 PM, Nick Dyer <nick@shmanahar.org> wrote: > The polled firmware update proved unreliable when testing on S7817. Use > attention to signal commands are complete. > > Signed-off-by: Nick Dyer <nick@shmanahar.org> > --- > drivers/input/rmi4/rmi_f34.c | 27 +++++++--- > drivers/input/rmi4/rmi_f34.h | 7 +-- > drivers/input/rmi4/rmi_f34v7.c | 114 ++++++++++++++++++++++------------------- > 3 files changed, 81 insertions(+), 67 deletions(-) > > diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c > index 425fe14..a37efca 100644 > --- a/drivers/input/rmi4/rmi_f34.c > +++ b/drivers/input/rmi4/rmi_f34.c Tested FW update on S7317 HW with no reliability issues. Tested-by: Chris Healy <cphealy@gmail.com> -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Sat, Mar 25, 2017 at 12:59:00AM +0000, Nick Dyer wrote: > The polled firmware update proved unreliable when testing on S7817. Use > attention to signal commands are complete. > > Signed-off-by: Nick Dyer <nick@shmanahar.org> > --- > drivers/input/rmi4/rmi_f34.c | 27 +++++++--- > drivers/input/rmi4/rmi_f34.h | 7 +-- > drivers/input/rmi4/rmi_f34v7.c | 114 ++++++++++++++++++++++------------------- > 3 files changed, 81 insertions(+), 67 deletions(-) > > diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c > index 425fe14..a37efca 100644 > --- a/drivers/input/rmi4/rmi_f34.c > +++ b/drivers/input/rmi4/rmi_f34.c > @@ -105,16 +105,27 @@ static int rmi_f34_attention(struct rmi_function *fn, unsigned long *irq_bits) > { > struct f34_data *f34 = dev_get_drvdata(&fn->dev); > int ret; > + u8 status; > > - if (f34->bl_version != 5) > - return 0; > + if (f34->bl_version == 5) { > + ret = rmi_read(f34->fn->rmi_dev, f34->v5.ctrl_address, > + &status); > + rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s: status: %#02x, ret: %d\n", > + __func__, status, ret); > > - ret = rmi_read(f34->fn->rmi_dev, f34->v5.ctrl_address, &f34->v5.status); > - rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s: status: %#02x, ret: %d\n", > - __func__, f34->v5.status, ret); > - > - if (!ret && !(f34->v5.status & 0x7f)) > - complete(&f34->v5.cmd_done); > + if (!ret && !(status & 0x7f)) > + complete(&f34->v5.cmd_done); > + } else { > + ret = rmi_read_block(f34->fn->rmi_dev, > + f34->fn->fd.data_base_addr + f34->v7.off.flash_status, > + &status, > + sizeof(status)); > + rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s: status: %#02x, ret: %d\n", > + __func__, status, ret); > + > + if (!ret && !(status & 0x1f)) > + complete(&f34->v7.cmd_done); > + } > > return 0; > } > diff --git a/drivers/input/rmi4/rmi_f34.h b/drivers/input/rmi4/rmi_f34.h > index 43a9134..32c4e95 100644 > --- a/drivers/input/rmi4/rmi_f34.h > +++ b/drivers/input/rmi4/rmi_f34.h > @@ -30,6 +30,7 @@ > #define F34_IDLE_WAIT_MS 500 > #define F34_ENABLE_WAIT_MS 300 > #define F34_ERASE_WAIT_MS 5000 > +#define F34_WRITE_WAIT_MS 3000 > > #define F34_BOOTLOADER_ID_LEN 2 > > @@ -47,11 +48,6 @@ > #define CONFIG_ID_SIZE 32 > #define PRODUCT_ID_SIZE 10 > > -#define ENABLE_WAIT_MS (1 * 1000) > -#define WRITE_WAIT_MS (3 * 1000) > - > -#define MIN_SLEEP_TIME_US 50 > -#define MAX_SLEEP_TIME_US 100 > > #define HAS_BSR BIT(5) > #define HAS_CONFIG_ID BIT(3) > @@ -292,6 +288,7 @@ struct f34v7_data { > > const void *config_data; > const void *image; > + struct completion cmd_done; > }; > > struct f34_data { > diff --git a/drivers/input/rmi4/rmi_f34v7.c b/drivers/input/rmi4/rmi_f34v7.c > index 56c6c39..e6b4a8c 100644 > --- a/drivers/input/rmi4/rmi_f34v7.c > +++ b/drivers/input/rmi4/rmi_f34v7.c > @@ -15,6 +15,7 @@ > #include <asm/unaligned.h> > #include <linux/delay.h> > #include <linux/slab.h> > +#include <linux/jiffies.h> > > #include "rmi_driver.h" > #include "rmi_f34.h" > @@ -31,7 +32,7 @@ static int rmi_f34v7_read_flash_status(struct f34_data *f34) > sizeof(status)); > if (ret < 0) { > rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev, > - "%s: Failed to read flash status\n", __func__); > + "%s: Error %d reading flash status\n", __func__, ret); > return ret; > } > > @@ -60,28 +61,17 @@ static int rmi_f34v7_read_flash_status(struct f34_data *f34) > > static int rmi_f34v7_wait_for_idle(struct f34_data *f34, int timeout_ms) > { > - int count = 0; > - int timeout_count = ((timeout_ms * 1000) / MAX_SLEEP_TIME_US) + 1; > + unsigned long timeout; > > - do { > - usleep_range(MIN_SLEEP_TIME_US, MAX_SLEEP_TIME_US); > - > - count++; > - > - rmi_f34v7_read_flash_status(f34); > - > - if ((f34->v7.command == v7_CMD_IDLE) > - && (f34->v7.flash_status == 0x00)) { > - rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev, > - "Idle status detected\n"); > - return 0; > - } > - } while (count < timeout_count); > + timeout = msecs_to_jiffies(timeout_ms); > > - dev_err(&f34->fn->dev, > - "%s: Timed out waiting for idle status\n", __func__); > + if (!wait_for_completion_timeout(&f34->v7.cmd_done, timeout)) { > + dev_warn(&f34->fn->dev, "%s: Timed out waiting for idle status\n", > + __func__); > + return -ETIMEDOUT; > + } > > - return -ETIMEDOUT; > + return 0; > } > > static int rmi_f34v7_write_command_single_transaction(struct f34_data *f34, > @@ -285,9 +275,10 @@ static int rmi_f34v7_write_partition_id(struct f34_data *f34, u8 cmd) > return 0; > } > > -static int rmi_f34v7_read_f34v7_partition_table(struct f34_data *f34) > +static int rmi_f34v7_read_partition_table(struct f34_data *f34) > { > int ret; > + unsigned long timeout; > u8 base; > __le16 length; > u16 block_number = 0; > @@ -320,6 +311,8 @@ static int rmi_f34v7_read_f34v7_partition_table(struct f34_data *f34) > return ret; > } > > + init_completion(&f34->v7.cmd_done); > + > ret = rmi_f34v7_write_command(f34, v7_CMD_READ_CONFIG); > if (ret < 0) { > dev_err(&f34->fn->dev, "%s: Failed to write command\n", > @@ -327,11 +320,14 @@ static int rmi_f34v7_read_f34v7_partition_table(struct f34_data *f34) > return ret; > } > > - ret = rmi_f34v7_wait_for_idle(f34, WRITE_WAIT_MS); > - if (ret < 0) { > - dev_err(&f34->fn->dev, "%s: Failed to wait for idle status\n", > - __func__); > - return ret; > + timeout = msecs_to_jiffies(F34_WRITE_WAIT_MS); > + while (time_before(jiffies, timeout)) { > + msleep(5); Changed this for "usleep_range(5000, 6000)". > + rmi_f34v7_read_flash_status(f34); > + > + if ((f34->v7.command == v7_CMD_IDLE) > + && (f34->v7.flash_status == 0x00)) > + break; > } > > ret = rmi_read_block(f34->fn->rmi_dev, > @@ -570,7 +566,7 @@ static int rmi_f34v7_read_queries(struct f34_data *f34) > f34->v7.read_config_buf_size = f34->v7.partition_table_bytes; > ptable = f34->v7.read_config_buf; > > - ret = rmi_f34v7_read_f34v7_partition_table(f34); > + ret = rmi_f34v7_read_partition_table(f34); > if (ret < 0) { > dev_err(&f34->fn->dev, "%s: Failed to read partition table\n", > __func__); > @@ -666,6 +662,8 @@ static int rmi_f34v7_erase_config(struct f34_data *f34) > > dev_info(&f34->fn->dev, "Erasing config...\n"); > > + init_completion(&f34->v7.cmd_done); > + > switch (f34->v7.config_area) { > case v7_UI_CONFIG_AREA: > ret = rmi_f34v7_write_command(f34, v7_CMD_ERASE_UI_CONFIG); > @@ -684,11 +682,11 @@ static int rmi_f34v7_erase_config(struct f34_data *f34) > break; > } > > - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); > + ret = rmi_f34v7_wait_for_idle(f34, F34_ERASE_WAIT_MS); > if (ret < 0) > return ret; > > - return ret; > + return 0; > } > > static int rmi_f34v7_erase_guest_code(struct f34_data *f34) > @@ -697,11 +695,13 @@ static int rmi_f34v7_erase_guest_code(struct f34_data *f34) > > dev_info(&f34->fn->dev, "Erasing guest code...\n"); > > + init_completion(&f34->v7.cmd_done); > + > ret = rmi_f34v7_write_command(f34, v7_CMD_ERASE_GUEST_CODE); > if (ret < 0) > return ret; > > - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); > + ret = rmi_f34v7_wait_for_idle(f34, F34_ERASE_WAIT_MS); > if (ret < 0) > return ret; > > @@ -714,11 +714,13 @@ static int rmi_f34v7_erase_all(struct f34_data *f34) > > dev_info(&f34->fn->dev, "Erasing firmware...\n"); > > + init_completion(&f34->v7.cmd_done); > + > ret = rmi_f34v7_write_command(f34, v7_CMD_ERASE_UI_FIRMWARE); > if (ret < 0) > return ret; > > - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); > + ret = rmi_f34v7_wait_for_idle(f34, F34_ERASE_WAIT_MS); > if (ret < 0) > return ret; > > @@ -743,7 +745,7 @@ static int rmi_f34v7_erase_all(struct f34_data *f34) > return 0; > } > > -static int rmi_f34v7_read_f34v7_blocks(struct f34_data *f34, u16 block_cnt, > +static int rmi_f34v7_read_blocks(struct f34_data *f34, u16 block_cnt, > u8 command) > { > int ret; > @@ -787,17 +789,15 @@ static int rmi_f34v7_read_f34v7_blocks(struct f34_data *f34, u16 block_cnt, > return ret; > } > > + init_completion(&f34->v7.cmd_done); > + > ret = rmi_f34v7_write_command(f34, command); > if (ret < 0) > return ret; > > - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); > - if (ret < 0) { > - dev_err(&f34->fn->dev, > - "%s: Wait for idle failed (%d blks remaining)\n", > - __func__, remaining); > + ret = rmi_f34v7_wait_for_idle(f34, F34_ENABLE_WAIT_MS); > + if (ret < 0) > return ret; > - } > > ret = rmi_read_block(f34->fn->rmi_dev, > base + f34->v7.off.payload, > @@ -853,6 +853,8 @@ static int rmi_f34v7_write_f34v7_blocks(struct f34_data *f34, > transfer = min(remaining, max_transfer); > put_unaligned_le16(transfer, &length); > > + init_completion(&f34->v7.cmd_done); > + > ret = rmi_write_block(f34->fn->rmi_dev, > base + f34->v7.off.transfer_length, > &length, sizeof(length)); > @@ -877,13 +879,9 @@ static int rmi_f34v7_write_f34v7_blocks(struct f34_data *f34, > return ret; > } > > - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); > - if (ret < 0) { > - dev_err(&f34->fn->dev, > - "%s: Failed wait for idle (%d blks remaining)\n", > - __func__, remaining); > + ret = rmi_f34v7_wait_for_idle(f34, F34_ENABLE_WAIT_MS); > + if (ret < 0) > return ret; > - } > > block_ptr += (transfer * f34->v7.block_size); > remaining -= transfer; > @@ -945,6 +943,8 @@ static int rmi_f34v7_write_flash_config(struct f34_data *f34) > return -EINVAL; > } > > + init_completion(&f34->v7.cmd_done); > + > ret = rmi_f34v7_write_command(f34, v7_CMD_ERASE_FLASH_CONFIG); > if (ret < 0) > return ret; > @@ -952,7 +952,7 @@ static int rmi_f34v7_write_flash_config(struct f34_data *f34) > rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev, > "%s: Erase flash config command written\n", __func__); > > - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); > + ret = rmi_f34v7_wait_for_idle(f34, F34_WRITE_WAIT_MS); > if (ret < 0) > return ret; > > @@ -981,7 +981,7 @@ static int rmi_f34v7_write_partition_table(struct f34_data *f34) > > f34->v7.read_config_buf_size = f34->v7.config_size; > > - ret = rmi_f34v7_read_f34v7_blocks(f34, block_count, v7_CMD_READ_CONFIG); > + ret = rmi_f34v7_read_blocks(f34, block_count, v7_CMD_READ_CONFIG); > if (ret < 0) > return ret; > > @@ -1287,6 +1287,8 @@ static int rmi_f34v7_enter_flash_prog(struct f34_data *f34) > { > int ret; > > + f34->fn->rmi_dev->driver->set_irq_bits(f34->fn->rmi_dev, f34->fn->irq_mask); > + > ret = rmi_f34v7_read_flash_status(f34); > if (ret < 0) > return ret; > @@ -1294,19 +1296,16 @@ static int rmi_f34v7_enter_flash_prog(struct f34_data *f34) > if (f34->v7.in_bl_mode) > return 0; > > + init_completion(&f34->v7.cmd_done); > + > ret = rmi_f34v7_write_command(f34, v7_CMD_ENABLE_FLASH_PROG); > if (ret < 0) > return ret; > > - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); > + ret = rmi_f34v7_wait_for_idle(f34, F34_ENABLE_WAIT_MS); > if (ret < 0) > return ret; > > - if (!f34->v7.in_bl_mode) { > - dev_err(&f34->fn->dev, "%s: BL mode not entered\n", __func__); > - return -EINVAL; > - } > - > return 0; > } > > @@ -1314,6 +1313,8 @@ int rmi_f34v7_start_reflash(struct f34_data *f34, const struct firmware *fw) > { > int ret = 0; > > + f34->fn->rmi_dev->driver->set_irq_bits(f34->fn->rmi_dev, f34->fn->irq_mask); > + > f34->v7.config_area = v7_UI_CONFIG_AREA; > f34->v7.image = fw->data; > > @@ -1376,8 +1377,13 @@ int rmi_f34v7_probe(struct f34_data *f34) > > memset(&f34->v7.blkcount, 0x00, sizeof(f34->v7.blkcount)); > memset(&f34->v7.phyaddr, 0x00, sizeof(f34->v7.phyaddr)); > - rmi_f34v7_read_queries(f34); > > - f34->v7.force_update = false; > + init_completion(&f34->v7.cmd_done); > + > + ret = rmi_f34v7_read_queries(f34); > + if (ret < 0) > + return ret; > + > + f34->v7.force_update = true; > return 0; > } > -- > 2.7.4 >
diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c index 425fe14..a37efca 100644 --- a/drivers/input/rmi4/rmi_f34.c +++ b/drivers/input/rmi4/rmi_f34.c @@ -105,16 +105,27 @@ static int rmi_f34_attention(struct rmi_function *fn, unsigned long *irq_bits) { struct f34_data *f34 = dev_get_drvdata(&fn->dev); int ret; + u8 status; - if (f34->bl_version != 5) - return 0; + if (f34->bl_version == 5) { + ret = rmi_read(f34->fn->rmi_dev, f34->v5.ctrl_address, + &status); + rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s: status: %#02x, ret: %d\n", + __func__, status, ret); - ret = rmi_read(f34->fn->rmi_dev, f34->v5.ctrl_address, &f34->v5.status); - rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s: status: %#02x, ret: %d\n", - __func__, f34->v5.status, ret); - - if (!ret && !(f34->v5.status & 0x7f)) - complete(&f34->v5.cmd_done); + if (!ret && !(status & 0x7f)) + complete(&f34->v5.cmd_done); + } else { + ret = rmi_read_block(f34->fn->rmi_dev, + f34->fn->fd.data_base_addr + f34->v7.off.flash_status, + &status, + sizeof(status)); + rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s: status: %#02x, ret: %d\n", + __func__, status, ret); + + if (!ret && !(status & 0x1f)) + complete(&f34->v7.cmd_done); + } return 0; } diff --git a/drivers/input/rmi4/rmi_f34.h b/drivers/input/rmi4/rmi_f34.h index 43a9134..32c4e95 100644 --- a/drivers/input/rmi4/rmi_f34.h +++ b/drivers/input/rmi4/rmi_f34.h @@ -30,6 +30,7 @@ #define F34_IDLE_WAIT_MS 500 #define F34_ENABLE_WAIT_MS 300 #define F34_ERASE_WAIT_MS 5000 +#define F34_WRITE_WAIT_MS 3000 #define F34_BOOTLOADER_ID_LEN 2 @@ -47,11 +48,6 @@ #define CONFIG_ID_SIZE 32 #define PRODUCT_ID_SIZE 10 -#define ENABLE_WAIT_MS (1 * 1000) -#define WRITE_WAIT_MS (3 * 1000) - -#define MIN_SLEEP_TIME_US 50 -#define MAX_SLEEP_TIME_US 100 #define HAS_BSR BIT(5) #define HAS_CONFIG_ID BIT(3) @@ -292,6 +288,7 @@ struct f34v7_data { const void *config_data; const void *image; + struct completion cmd_done; }; struct f34_data { diff --git a/drivers/input/rmi4/rmi_f34v7.c b/drivers/input/rmi4/rmi_f34v7.c index 56c6c39..e6b4a8c 100644 --- a/drivers/input/rmi4/rmi_f34v7.c +++ b/drivers/input/rmi4/rmi_f34v7.c @@ -15,6 +15,7 @@ #include <asm/unaligned.h> #include <linux/delay.h> #include <linux/slab.h> +#include <linux/jiffies.h> #include "rmi_driver.h" #include "rmi_f34.h" @@ -31,7 +32,7 @@ static int rmi_f34v7_read_flash_status(struct f34_data *f34) sizeof(status)); if (ret < 0) { rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev, - "%s: Failed to read flash status\n", __func__); + "%s: Error %d reading flash status\n", __func__, ret); return ret; } @@ -60,28 +61,17 @@ static int rmi_f34v7_read_flash_status(struct f34_data *f34) static int rmi_f34v7_wait_for_idle(struct f34_data *f34, int timeout_ms) { - int count = 0; - int timeout_count = ((timeout_ms * 1000) / MAX_SLEEP_TIME_US) + 1; + unsigned long timeout; - do { - usleep_range(MIN_SLEEP_TIME_US, MAX_SLEEP_TIME_US); - - count++; - - rmi_f34v7_read_flash_status(f34); - - if ((f34->v7.command == v7_CMD_IDLE) - && (f34->v7.flash_status == 0x00)) { - rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev, - "Idle status detected\n"); - return 0; - } - } while (count < timeout_count); + timeout = msecs_to_jiffies(timeout_ms); - dev_err(&f34->fn->dev, - "%s: Timed out waiting for idle status\n", __func__); + if (!wait_for_completion_timeout(&f34->v7.cmd_done, timeout)) { + dev_warn(&f34->fn->dev, "%s: Timed out waiting for idle status\n", + __func__); + return -ETIMEDOUT; + } - return -ETIMEDOUT; + return 0; } static int rmi_f34v7_write_command_single_transaction(struct f34_data *f34, @@ -285,9 +275,10 @@ static int rmi_f34v7_write_partition_id(struct f34_data *f34, u8 cmd) return 0; } -static int rmi_f34v7_read_f34v7_partition_table(struct f34_data *f34) +static int rmi_f34v7_read_partition_table(struct f34_data *f34) { int ret; + unsigned long timeout; u8 base; __le16 length; u16 block_number = 0; @@ -320,6 +311,8 @@ static int rmi_f34v7_read_f34v7_partition_table(struct f34_data *f34) return ret; } + init_completion(&f34->v7.cmd_done); + ret = rmi_f34v7_write_command(f34, v7_CMD_READ_CONFIG); if (ret < 0) { dev_err(&f34->fn->dev, "%s: Failed to write command\n", @@ -327,11 +320,14 @@ static int rmi_f34v7_read_f34v7_partition_table(struct f34_data *f34) return ret; } - ret = rmi_f34v7_wait_for_idle(f34, WRITE_WAIT_MS); - if (ret < 0) { - dev_err(&f34->fn->dev, "%s: Failed to wait for idle status\n", - __func__); - return ret; + timeout = msecs_to_jiffies(F34_WRITE_WAIT_MS); + while (time_before(jiffies, timeout)) { + msleep(5); + rmi_f34v7_read_flash_status(f34); + + if ((f34->v7.command == v7_CMD_IDLE) + && (f34->v7.flash_status == 0x00)) + break; } ret = rmi_read_block(f34->fn->rmi_dev, @@ -570,7 +566,7 @@ static int rmi_f34v7_read_queries(struct f34_data *f34) f34->v7.read_config_buf_size = f34->v7.partition_table_bytes; ptable = f34->v7.read_config_buf; - ret = rmi_f34v7_read_f34v7_partition_table(f34); + ret = rmi_f34v7_read_partition_table(f34); if (ret < 0) { dev_err(&f34->fn->dev, "%s: Failed to read partition table\n", __func__); @@ -666,6 +662,8 @@ static int rmi_f34v7_erase_config(struct f34_data *f34) dev_info(&f34->fn->dev, "Erasing config...\n"); + init_completion(&f34->v7.cmd_done); + switch (f34->v7.config_area) { case v7_UI_CONFIG_AREA: ret = rmi_f34v7_write_command(f34, v7_CMD_ERASE_UI_CONFIG); @@ -684,11 +682,11 @@ static int rmi_f34v7_erase_config(struct f34_data *f34) break; } - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); + ret = rmi_f34v7_wait_for_idle(f34, F34_ERASE_WAIT_MS); if (ret < 0) return ret; - return ret; + return 0; } static int rmi_f34v7_erase_guest_code(struct f34_data *f34) @@ -697,11 +695,13 @@ static int rmi_f34v7_erase_guest_code(struct f34_data *f34) dev_info(&f34->fn->dev, "Erasing guest code...\n"); + init_completion(&f34->v7.cmd_done); + ret = rmi_f34v7_write_command(f34, v7_CMD_ERASE_GUEST_CODE); if (ret < 0) return ret; - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); + ret = rmi_f34v7_wait_for_idle(f34, F34_ERASE_WAIT_MS); if (ret < 0) return ret; @@ -714,11 +714,13 @@ static int rmi_f34v7_erase_all(struct f34_data *f34) dev_info(&f34->fn->dev, "Erasing firmware...\n"); + init_completion(&f34->v7.cmd_done); + ret = rmi_f34v7_write_command(f34, v7_CMD_ERASE_UI_FIRMWARE); if (ret < 0) return ret; - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); + ret = rmi_f34v7_wait_for_idle(f34, F34_ERASE_WAIT_MS); if (ret < 0) return ret; @@ -743,7 +745,7 @@ static int rmi_f34v7_erase_all(struct f34_data *f34) return 0; } -static int rmi_f34v7_read_f34v7_blocks(struct f34_data *f34, u16 block_cnt, +static int rmi_f34v7_read_blocks(struct f34_data *f34, u16 block_cnt, u8 command) { int ret; @@ -787,17 +789,15 @@ static int rmi_f34v7_read_f34v7_blocks(struct f34_data *f34, u16 block_cnt, return ret; } + init_completion(&f34->v7.cmd_done); + ret = rmi_f34v7_write_command(f34, command); if (ret < 0) return ret; - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); - if (ret < 0) { - dev_err(&f34->fn->dev, - "%s: Wait for idle failed (%d blks remaining)\n", - __func__, remaining); + ret = rmi_f34v7_wait_for_idle(f34, F34_ENABLE_WAIT_MS); + if (ret < 0) return ret; - } ret = rmi_read_block(f34->fn->rmi_dev, base + f34->v7.off.payload, @@ -853,6 +853,8 @@ static int rmi_f34v7_write_f34v7_blocks(struct f34_data *f34, transfer = min(remaining, max_transfer); put_unaligned_le16(transfer, &length); + init_completion(&f34->v7.cmd_done); + ret = rmi_write_block(f34->fn->rmi_dev, base + f34->v7.off.transfer_length, &length, sizeof(length)); @@ -877,13 +879,9 @@ static int rmi_f34v7_write_f34v7_blocks(struct f34_data *f34, return ret; } - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); - if (ret < 0) { - dev_err(&f34->fn->dev, - "%s: Failed wait for idle (%d blks remaining)\n", - __func__, remaining); + ret = rmi_f34v7_wait_for_idle(f34, F34_ENABLE_WAIT_MS); + if (ret < 0) return ret; - } block_ptr += (transfer * f34->v7.block_size); remaining -= transfer; @@ -945,6 +943,8 @@ static int rmi_f34v7_write_flash_config(struct f34_data *f34) return -EINVAL; } + init_completion(&f34->v7.cmd_done); + ret = rmi_f34v7_write_command(f34, v7_CMD_ERASE_FLASH_CONFIG); if (ret < 0) return ret; @@ -952,7 +952,7 @@ static int rmi_f34v7_write_flash_config(struct f34_data *f34) rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev, "%s: Erase flash config command written\n", __func__); - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); + ret = rmi_f34v7_wait_for_idle(f34, F34_WRITE_WAIT_MS); if (ret < 0) return ret; @@ -981,7 +981,7 @@ static int rmi_f34v7_write_partition_table(struct f34_data *f34) f34->v7.read_config_buf_size = f34->v7.config_size; - ret = rmi_f34v7_read_f34v7_blocks(f34, block_count, v7_CMD_READ_CONFIG); + ret = rmi_f34v7_read_blocks(f34, block_count, v7_CMD_READ_CONFIG); if (ret < 0) return ret; @@ -1287,6 +1287,8 @@ static int rmi_f34v7_enter_flash_prog(struct f34_data *f34) { int ret; + f34->fn->rmi_dev->driver->set_irq_bits(f34->fn->rmi_dev, f34->fn->irq_mask); + ret = rmi_f34v7_read_flash_status(f34); if (ret < 0) return ret; @@ -1294,19 +1296,16 @@ static int rmi_f34v7_enter_flash_prog(struct f34_data *f34) if (f34->v7.in_bl_mode) return 0; + init_completion(&f34->v7.cmd_done); + ret = rmi_f34v7_write_command(f34, v7_CMD_ENABLE_FLASH_PROG); if (ret < 0) return ret; - ret = rmi_f34v7_wait_for_idle(f34, ENABLE_WAIT_MS); + ret = rmi_f34v7_wait_for_idle(f34, F34_ENABLE_WAIT_MS); if (ret < 0) return ret; - if (!f34->v7.in_bl_mode) { - dev_err(&f34->fn->dev, "%s: BL mode not entered\n", __func__); - return -EINVAL; - } - return 0; } @@ -1314,6 +1313,8 @@ int rmi_f34v7_start_reflash(struct f34_data *f34, const struct firmware *fw) { int ret = 0; + f34->fn->rmi_dev->driver->set_irq_bits(f34->fn->rmi_dev, f34->fn->irq_mask); + f34->v7.config_area = v7_UI_CONFIG_AREA; f34->v7.image = fw->data; @@ -1376,8 +1377,13 @@ int rmi_f34v7_probe(struct f34_data *f34) memset(&f34->v7.blkcount, 0x00, sizeof(f34->v7.blkcount)); memset(&f34->v7.phyaddr, 0x00, sizeof(f34->v7.phyaddr)); - rmi_f34v7_read_queries(f34); - f34->v7.force_update = false; + init_completion(&f34->v7.cmd_done); + + ret = rmi_f34v7_read_queries(f34); + if (ret < 0) + return ret; + + f34->v7.force_update = true; return 0; }
The polled firmware update proved unreliable when testing on S7817. Use attention to signal commands are complete. Signed-off-by: Nick Dyer <nick@shmanahar.org> --- drivers/input/rmi4/rmi_f34.c | 27 +++++++--- drivers/input/rmi4/rmi_f34.h | 7 +-- drivers/input/rmi4/rmi_f34v7.c | 114 ++++++++++++++++++++++------------------- 3 files changed, 81 insertions(+), 67 deletions(-)