input synaptics-rmi4: stop scanning PDT after blank page
Subsystems (2)
PATCH 1/1 input synaptics-rmi4: stop scanning PDT after blank page
When scanning the Page Descriptor Table, the end of the PDT is marked by a page where the first PDT entry is empty. Stop scanning when we find this page.
Signed-off-by Christopher Heiny <[email protected]>
Cc Dmitry Torokhov <[email protected]>
Cc Benjamin Tissoires <[email protected]>
Cc Linux Walleij <[email protected]>
Cc David Herrmann <[email protected]>
Cc Jiri Kosina <[email protected]>
--- drivers/input/rmi4/rmi_driver.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
drivers/input/rmi4/rmi_driver.c +2 -1
@@ -505,7 +505,8 @@ static int rmi_scan_pdt_page(struct rmi_device *rmi_dev,return retval; } -return data->f01_bootloader_mode ?RMI_SCAN_DONE :RMI_SCAN_CONTINUE ; +return (data->f01_bootloader_mode || addr == pdt_start) ? +RMI_SCAN_DONE :RMI_SCAN_CONTINUE ; } static int rmi_scan_pdt(struct rmi_device *rmi_dev, void *ctx,
Quoted 10 lines · Christopher Heiny
When scanning the Page Descriptor Table, the end of the PDT is marked by a page where the first PDT entry is empty. Stop scanning when we find this page.
Signed-off-by Christopher Heiny <[email protected]>Cc Dmitry Torokhov <[email protected]>Cc Benjamin Tissoires <[email protected]>Cc Linux Walleij <[email protected]>Cc David Herrmann <[email protected]>Cc Jiri Kosina <[email protected]>
Applied, thank you.
Quoted 19 lines
--- drivers/input/rmi4/rmi_driver.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)drivers/input/rmi4/rmi_driver.c +2
-1@@ -505,7 +505,8 @@ static int rmi_scan_pdt_page(struct rmi_device *rmi_dev,return retval; } -return data->f01_bootloader_mode ?RMI_SCAN_DONE :RMI_SCAN_CONTINUE ; +return (data->f01_bootloader_mode || addr == pdt_start) ? +RMI_SCAN_DONE :RMI_SCAN_CONTINUE ; } static int rmi_scan_pdt(struct rmi_device *rmi_dev, void *ctx,
Signature · 1 line
Dmitry