From bf6b694a6a908a6fd8f23eada669d1e90b2772af Mon Sep 17 00:00:00 2001 From: Gene Chen Date: Mon, 8 Jun 2020 17:38:45 +0800 Subject: mfd: mt6360: Fix register driver NULL pointer by adding driver name The driver name was accidentally removed when .probe() by was replaced by .probe_new() during an early patch review. [ 121.243012] EAX: c2a8bc64 EBX: 00000000 ECX: 00000000 EDX: 00000000 [ 121.243012] ESI: c2a8bc79 EDI: 00000000 EBP: e54bdea8 ESP: e54bdea0 [ 121.243012] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010286 [ 121.243012] CR0: 80050033 CR2: 00000000 CR3: 02ec3000 CR4: 000006b0 [ 121.243012] Call Trace: [ 121.243012] kset_find_obj+0x3d/0xc0 [ 121.243012] driver_find+0x16/0x40 [ 121.243012] driver_register+0x49/0x100 [ 121.243012] ? i2c_for_each_dev+0x39/0x50 [ 121.243012] ? __process_new_adapter+0x20/0x20 [ 121.243012] ? cht_wc_driver_init+0x11/0x11 [ 121.243012] i2c_register_driver+0x30/0x80 [ 121.243012] ? intel_lpss_pci_driver_init+0x16/0x16 [ 121.243012] mt6360_pmu_driver_init+0xf/0x11 [ 121.243012] do_one_initcall+0x33/0x1a0 [ 121.243012] ? parse_args+0x1eb/0x3d0 [ 121.243012] ? __might_sleep+0x31/0x90 [ 121.243012] ? kernel_init_freeable+0x10a/0x17f [ 121.243012] kernel_init_freeable+0x12c/0x17f [ 121.243012] ? rest_init+0x110/0x110 [ 121.243012] kernel_init+0xb/0x100 [ 121.243012] ? schedule_tail_wrapper+0x9/0xc [ 121.243012] ret_from_fork+0x19/0x24 [ 121.243012] Modules linked in: [ 121.243012] CR2: 0000000000000000 [ 121.243012] random: get_random_bytes called from init_oops_id+0x3a/0x40 with crng_init=0 [ 121.243012] ---[ end trace 38a803400f1a2bee ]--- [ 121.243012] EIP: strcmp+0x11/0x30 Fixes: 7edd363421dab ("mfd: Add support for PMIC MT6360") Signed-off-by: Gene Chen Reviewed-by: Matthias Brugger [Lee: Taking the opportunity to fix the compatible string too 's/_/-/'] Signed-off-by: Lee Jones --- drivers/mfd/mt6360-core.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/mfd/mt6360-core.c') diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c index db8cdf5272c1..e9cacc27d980 100644 --- a/drivers/mfd/mt6360-core.c +++ b/drivers/mfd/mt6360-core.c @@ -412,6 +412,7 @@ MODULE_DEVICE_TABLE(of, mt6360_pmu_of_id); static struct i2c_driver mt6360_pmu_driver = { .driver = { + .name = "mt6360_pmu", .pm = &mt6360_pmu_pm_ops, .of_match_table = of_match_ptr(mt6360_pmu_of_id), }, -- cgit v1.2.3